5 Animals With Superpowered SensesFrom the ability to see “invisible” types of light to the power to taste all over their body, meet five incredible animals whose super senses far surpass our own!
Hosted by: Michael Aranda
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Sources:
Correspondence with Dr. John T. Caprio
https://pubmed.ncbi.nlm.nih.gov/24395960/
https://pubmed.ncbi.nlm.nih.gov/24458639/
https://www.sciencealert.com/now-we-know-how-the-mantis-shrimp-s-tiny-brain-processes-such-amazing-vision
https://onlinelibrary.wiley.com/doi/abs/10.1002/cne.24788
https://www.sciencedaily.com/releases/2008/03/080320120732.htm
https://pubmed.ncbi.nlm.nih.gov/18356053/
The Common Houseplant That Hasn’t Flowered in Almost 60 YearsThe pothos plant grows really well in a lot of places, so you’d think they’d be easy to coax blossoms out of, but even the greenest thumbs haven’t seen this plant bloom naturally in over 60 years! Why are the pothos petals so shy?
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Sources:
http://www.jcreview.com/fulltext/197-1572431971.pdf
https://www.nature.com/articles/srep28598
https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1469-185X.1959.tb01301.x
https://link.springer.com/article/10.1007%2Fs40415-016-0331-6
https://www.sciencedirect.com/science/article/pii/S0254629916337760
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0192956#pone.0192956.ref014
https://www.researchgate.net/publication/272659426_Molecular_and_physiological_role_of_Epipremnum_aureum
https://edis.ifas.ufl.edu/fp194
https://www.jstor.org/stable/20789454?seq=1
Bones Began as Mineral BatteriesToday, bones hold us up. But for ancient jawless fishes, bones may have been a way to store energy for long journeys. Plus, new research indicated that hippos and cetaceans may have evolved their aquatic traits separately.
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Sources:
Bone Evolution:
https://advances.sciencemag.org/content/7/14/eabb9113
https://jeb.biologists.org/content/215/11/1983
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6146198/
Whales & hippos:
https://www.cell.com/current-biology/fulltext/S0960-9822(21)00301-8
The History of Pho in 10 FactsThe history of pho touches on colonialism and intercultural exchange, culinary ingenuity and the influence of immigration. Pho (or phở) is a melting pot, in more ways than one. In this episode of Food History, Justin shares 10 fun facts about pho.
Phở may be influenced by French and Chinese cuisines, but it is a distinctly Vietnamese dish that has found worldwide success.
Food History is a series from Mental Floss where we dive deep into the culinary stories that lead to the food on our plates. If you have an idea for a dish, cooking technique, or cuisine that you’d like us to explore in a future episode, tell us in the comments. Subscribe here for new Mental Floss episodes every Wednesday: https://www.youtube.com/channel/UCpZ5qUqpW4hW4zdfuBxMSJA?sub_confirmation=1
Heat-Seekers: Harnessing the Infrared Senses of AnimalsGo to https://curiositystream.com/SciShow to start streaming The Secret Life of Snakes. Use code SciShow to sign up, just $14.99 for the whole YEAR.
These animals can detect heat through some fascinating biological mechanisms, and they are proving to be boons to the scientific community.
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The surprising secrets of hummingbird flight - Kristiina J. Hurme and Alejandro Rico-GuevaraDig into the incredible fighting, feeding, and flying capabilities of hummingbirds.
--
In just a matter of seconds, hummingbirds can perform astonishing aerial acrobatics, eat lunch in midair, pollinate a flower, even escape threats while upside-down. And they can do this all while achieving sustained hovering flight— an aerial feat no other bird can perform. How do they do it? Kristiina J. Hurme and Alejandro Rico-Guevara explore the incredible flying capabilities of hummingbirds.
Lesson by Kristiina J. Hurme and Alejandro Rico-Guevara, directed by Lisa Vertudaches.
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The Hamster That Saved Thousands of COVID PatientsGo to http://Brilliant.org/SciShow to try their Knowledge and Uncertainty course. Sign up now and get 20% off an annual Premium subscription.
Forget lab rats — meet the Chinese or striped-back hamster, an unassuming little rodent whose role in research over the years has led to breakthroughs in genetics, pharmaceutics and more!
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10 Weird Weapons From HistoryThe weirdest weapons in history include a military-grade stink bomb, a pistol disguised as a tube of lipstick, and earthenware pots filled with venomous snakes. Erin breaks down those weird weapons and more in this episode of The List Show.
"Weird weapons" is obviously a subjective term, but we think each of these weapons (whether deployed or just proposed) have something strange enough about them to merit inclusion on this list. We'll even cover a "dog doo transmitter," which isn't a weapon at all, but does have the words "dog doo" featured prominently in its name.
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We Had Catnip All WrongWhy do cats love catnip so much? Researchers have found a possible evolutionary answer to this adorable feline phenomenon!
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Sources:
https://advances.sciencemag.org/content/7/4/eabd9135
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1480656/pdf/canvetj00079-0049.pdf
https://bmcvetres.biomedcentral.com/articles/10.1186/s12917-017-0987-6
Image Sources:
https://www.istockphoto.com/photo/maine-coon-kitten-on-white-gm1126981190-296885680
https://www.istockphoto.com/photo/impatient-cat-asking-food-gm1040405006-278524384
https://www.istockphoto.com/photo/cute-tabby-cat-sniffing-dried-catnip-gm1143329867-307010982
https://commons.wikimedia.org/wiki/File:Starr_070906-8819_Nepeta_cataria.jpg
https://commons.wikimedia.org/wiki/File:Actinidia_polygama_02.JPG
https://www.istockphoto.com/photo/fisheye-cat-rolling-in-catnip-gm1178809065-329624433
https://www.istockphoto.com/photo/white-cat-with-catnip-mouse-gm1093103238-293346682
https://www.eurekalert.org/multimedia/pub/253761.php
https://www.istockphoto.com/photo/cat-and-nepeta-cataria-gm1097317452-294660107
Animal Park at the Conservators Center (www.animalparknc.org)
https://www.istockphoto.com/photo/aedes-aegypti-mosquito-close-up-a-mosquito-sucking-human-blood-gm604022000-103738665
https://www.istockphoto.com/photo/mosquito-on-cats-nose-gm91703101-6902231
https://www.istockphoto.com/vector/mosquito-icon-on-black-and-white-vector-backgrounds-gm699087038-129486315
https://www.istockphoto.com/vector/cat-silhouette-pet-animals-set-gm1141896184-306103509
https://www.istockphoto.com/photo/dna-sequence-gm143175623-19334089
Why good ideas get trapped in the valley of death— and how to rescue themExplore why zero-carbon technologies are vulnerable to the valley of death in product development and how we can change it.
--
All new products must pass through the "valley of death" before they reach the market. Many never make it out, and sometimes that’s ok— if they don’t work, don’t fill a need, or for any number of reasons. One of the fields where this problem is most pressing is zero-carbon technologies. Why is it vulnerable to this trap, and can we change it? Explore how to break the cycle of the funding gap.
Directed by Lisa LaBracio
Animation and art direction by Luísa M H Copetti, Hype CG
In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero
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Did you know that last year we had 28 of the fastest days ever recorded? Earth's rotation can be affected by a number of things, and scientists think we might someday need an unprecedented adjustment: deleting a second!
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What Are the Different Types of Cyclones? Crash Course Geography #12Today we’re going to talk about two types of cyclones: mid-latitude cyclones and tropical cyclones. Mid-latitude cyclones are huge weather systems that bring day-to-day weather in the mid-latitudes. They're the reason the weather is often unpredictable. We'll focus on the Northern Hemisphere and how these cyclones form along the polar front. Then, we'll shift to tropical cyclones also called hurricanes or typhoons - those smaller spinning vortices of air usually originating in the tropics that can cause widespread damage to coastal communities. We'll talk about the Bhola cyclone, which as of 2021 is the deadliest tropical cyclone in history, and we'll take a closer look at the Sundarbans in the low-lying coastal areas of Bangladesh and India to see how mangroves play a crucial role as a natural ecological barrier to these storms.
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Can you outsmart the apples and oranges fallacy? - Elizabeth CoxDig into the false analogy fallacy, which assumes that because two things share a characteristic, they must be alike in other respects.
--
It’s 1997. The United States Senate has called a hearing about global warming. Some expert witnesses point out that past periods in Earth’s history were warmer than the 20th century. Because such variations existed long before humans, they claim the current trend is also the result of natural variation. Can you spot the problem with this argument? Elizabeth Cox explores the false analogy fallacy.
Lesson by Elizabeth Cox, directed by TOGETHER.
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Animals Inspiring the Armor of the FutureOrganisms have evolved many clever forms of armor so that they can be ready for whatever nature throws at them. And us flimsy humans can learn to enhance our armor by taking inspiration from some of these creatures, and not necessarily the ones you'd expect!
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Why These Bees Just Keep Staring at FlowersYou might have wondered why bumblebees stop for a moment to stare at the flower they were just interacted with. Are they cherishing all the good times they had together, or is this behavior serving a biological purpose?
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Whiteflies Destroy Crops Thanks to a Stolen Plant Gene | SciShow NewsCheck out Patreon.com/SciShowSpace and Patreon.com/SciShowPsych to find out how you can directly support those channels and get access to new perks!
The silverleaf whitefly – a very prolific pest – is the only insect that we know of with a functional stolen plant gene.
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Sources:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3347001
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3493419/
https://www.eurekalert.org/pub_releases/2021-03/cp-pg031721.php
https://www.cell.com/cell/fulltext/S0092-8674(21)00164-1?utm_source=EA
https://link.springer.com/article/10.1023/A:1022846630513
Which Will Kill You First?Get Surfshark VPN at https://surfshark.deals/minuteearth and enter code MINUTEEARTH for 83% off and 3 extra months free!
The body can get a whole lot colder - but not a whole lot hotter - before we die. Why is that?
LEARN MORE
**************
To learn more about this topic, start your googling with these keywords:
Hyperthermia: a medical condition where an individual's body temperature is elevated beyond normal
Hypothermia: a medical doncition that occurs when an individual's body loses heat faster than it can produce heat, causing a dangerously low body temperature
Thermoregulation is the ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different
Denaturation: the alteration of a protein shape through some form of external stress (for example, heat), so that it can no longer carry out its cellular function
If you liked this week’s video, you might also like:
A great article from Outside on hyperthermia: https://www.outsideonline.com/2398105/heat-stroke-signs-symptoms
Learn more about the woman who survived the lowest known body temp: https://www.atlasobscura.com/articles/the-woman-who-survived-the-lowest-body-temperature-ever
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REFERENCES
**************
Lepock JR (2004). Role of nuclear protein denaturation and aggregation
in thermal radiosensitization, International Journal of Hyperthermia, 20:2, 115-130, https://www.tandfonline.com/doi/abs/10.1080/02656730310001637334
Leuenberger, P, Ganscha S, Kahraman A, Cappelletti V, PJ Boersema, Mering Cv, Claassen M, Picotti P (2017). Cell-wide analysis of protein thermal unfolding reveals determinants of thermostability
Science, 355: eaai7825. https://science.sciencemag.org/content/355/6327/eaai7825
Roti Roti J (2008) Cellular responses to hyperthermia (40–46 degrees C): cell killing and molecular events. International Journal of Hyperthermia 24(1): 3–15. https://www.tandfonline.com/doi/full/10.1080/02656730701769841
Sawka MN, Leon LR, Montain SJ, Sonna LA (2011). Integrated physiological mechanisms of exercise performance, adaptation, and maladaptation to heat stress. Comprehensive Physiology 1: 1883-1928. https://onlinelibrary.wiley.com/doi/abs/10.1002/cphy.c100082
Slovis CM, Anderson GF, Casolaro A (1982). Survival in a heat stroke victim with a core temperature in excess of 46.5 C. Annals of Emergency Medicine 11(5):269-271. https://linkinghub.elsevier.com/retrieve/pii/S0196-0644(82)80099-1
These Insects are Smaller than a Single Cell...How?!Fairies do exist! Well, sort of...meet the fairyfly, the smallest insect on Earth that specializes in the magic of miniaturization!
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Sources:
https://doi.org/10.3897/jhr.32.4663
https://pubmed.ncbi.nlm.nih.gov/25341106/
https://pubmed.ncbi.nlm.nih.gov/22078364/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5414980/
https://www.nhm.ac.uk/our-science/data/chalcidoids/mymaridae.html
https://doi.org/10.3897/zookeys.345.6209
https://eol.org/pages/715
How to see with sound - Jacques S. AbramowiczDiscover how scientists and doctors used bats' ultrasound capabilities as inspiration for SONAR and non-invasive medical procedures.
--
In a dark cave, bats can’t see much. But even with their eyes shut, they can navigate rocky topography at incredible speeds. This is because bats aren't just guided by their eyes, but rather, by their ears. It may seem impossible to see with sound, but bats, naval officers, and doctors do it all the time. How is that possible? Jacques S. Abramowicz digs into the unique properties of ultrasound.
Lesson by Jacques S. Abramowicz, directed by Sofia Pashaei.
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The finest burritos in the world are made in San Francisco’s Mission District. But how can you get a hot & fresh one in New York City in time for lunch? Physics, that’s how. For this very serious and scientific video, we dug a classic documentary out of the vault that tells the story of the transcontinental burrito tunnel, and its successor, the transcontinental burrito hypertunnel. They are both true marvels of physics. Oh, and they aren’t real… but the science is.
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How Much Wind Should a Windmill Mill?Watch the bonus material cut from this video and get 26% off an annual subscription to CuriosityStream and Nebula at https://www.curiositystream.com/minutephysics
The Solution to the Windmill Paradox. This video is about the tradeoff of Windmills: the fact that the more kinetic energy you extract from the wind the slower the wind goes, the less wind you have to extract energy from, etc. How much energy is the sweet spot to extract from the wind??
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Why Penises Are Shrinking Across the WorldPenis size, taint size and sperm count are decreasing in men. This is the science of why!
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While people freak out about Montero by lil nas x, the ever given ever green ship in the Suez Canal, or Why We Broke Up videos ... it turns out fertility in men has been on a constant decrease. It is due to scientific reasons that we all need to understand in order to mitigate our exposure to specific endocrine disrupters. This video explains what is going on across the world so you can be informed and make some changes to your lifestyle as well.
References:
Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race by Shanna Swan
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1280349/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4937858/
https://pubmed.ncbi.nlm.nih.gov/25697839/
https://pubmed.ncbi.nlm.nih.gov/16466537/
https://pubmed.ncbi.nlm.nih.gov/26672060/
https://pubmed.ncbi.nlm.nih.gov/25353625/
https://pubmed.ncbi.nlm.nih.gov/30677661/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7437820/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7483495/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7652773/
Synthesis and Column Chromatography: Crash Course Organic Chemistry #25Even though all living things have a lot in common, different organisms can have very different reactions to the same organic chemicals. That means it’s really important for organic chemists to be able to purify chemicals and separate the products we want from reactions, from the side products we don’t. In this episode of Crash Course Organic Chemistry, we’re heading into the lab to learn about one of the ways we can separate chemicals in a mixture: chromatography!
Episode Sources:
Mahdi, J. G. (2010). Medicinal potential of willow: A chemical perspective of aspirin discovery. Journal of Saudi Chemical Society, 14(3), 317-322.
Dempsey, D.A., Klessig, D.F. How does the multifaceted plant hormone salicylic acid combat disease in plants and are similar mechanisms utilized in humans?. BMC Biol 15, 23 (2017). https://doi.org/10.1186/s12915-017-0364-8
Still, W. C., Kahn, M., & Mitra, A. (1978). Rapid chromatographic technique for preparative separations with moderate resolution. The Journal of Organic Chemistry, 43(14), 2923-2925.
Pastre, J. C., & Duarte Correia, C. R. (2006). Efficient Heck arylations of cyclic and acyclic acrylate derivatives using arenediazonium tetrafluoroborates. A new synthesis of the antidepressant drug (±)-Paroxetine. Organic letters, 8(8), 1657-1660.
Series Sources:
Brown, W. H., Iverson, B. L., Ansyln, E. V., Foote, C., Organic Chemistry; 8th ed.; Cengage Learning, Boston, 2018.
Bruice, P. Y., Organic Chemistry, 7th ed.; Pearson Education, Inc., United States, 2014.
Clayden, J., Greeves, N., Warren., S., Organic Chemistry, 2nd ed.; Oxford University Press, New York, 2012.
Jones Jr., M.; Fleming, S. A., Organic Chemistry, 5th ed.; W. W. Norton & Company, New York, 2014.
Klein., D., Organic Chemistry; 1st ed.; John Wiley & Sons, United States, 2012.
Louden M., Organic Chemistry; 5th ed.; Roberts and Company Publishers, Colorado, 2009.
McMurry, J., Organic Chemistry, 9th ed.; Cengage Learning, Boston, 2016.
Smith, J. G., Organic chemistry; 6th ed.; McGraw-Hill Education, New York, 2020.
Wade., L. G., Organic Chemistry; 8th ed.; Pearson Education, Inc., United States, 2013.
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Engineering Plants That Fertilize Themselves to Save the WorldThis video was created in partnership with Bill Gates, inspired by his new book “How to Avoid a Climate Disaster.” Find out more here: http://gatesnot.es/3qLlFgq
Humans have relied on fertilizers to grow their plants for thousands of years. But the production of synthetic fertilizers also requires an immense amount of energy that comes primarily from fossil fuels and therefore contributes to climate change. So what if we could engineer plants to make their own fertilizers?
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How Mad Magazine Changed Comedy & Angered the FBIThe history of Mad magazine is a story of rebellion and reproach, of Alfred E. Neuman's controversial gap-toothed face, and of a "gang of idiots" that happened to be some of the smartest satirists of their day.
Mad magazine changed humor, but it met its fair share of speed-bumps along the way. J Edgar Hoover wasn't a fan and the U.S. Treasury Department once took issue with one of Mad's gags. Mad was talked about in concerned tones in the halls of governmental power and snuck into many a classroom.
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The Levine Sequence - NumberphileNeil Sloane from the OEIS has another number sequence which escalates quickly.
More links & stuff in full description below ↓↓↓
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The Secret of SynchronizationHow does order spontaneously arise out of chaos? This video is sponsored by Kiwico — go to https://www.kiwico.com/Veritasium50 for 50% off your first month of any crate.
An enormous thanks to Prof. Steven Strogatz — this video would not have been possible without him. Much of the script-writing was inspired and informed by his wonderful book Sync, and his 2004 TED talk. He is a giant in this field, and has literally written the book on chaos, complexity, and synchronization. It was hard to find a paper in this field that Steven (or one of his students) didn't contribute to. His Podcast "The Joy of X" is wonderful — please listen and subscribe wherever you get your podcasts https://www.quantamagazine.org/tag/the-joy-of-x
Great Kuramoto Model Interactive — https://www.complexity-explorables.org/explorables/ride-my-kuramotocycle
References:
Strogatz, S. H. (2012). Sync: How order emerges from chaos in the universe, nature, and daily life. Hachette UK. — https://ve42.co/Sync
Strogatz, S. H. (2000). From Kuramoto to Crawford: exploring the onset of synchronization in populations of coupled oscillators. Physica D: Nonlinear Phenomena, 143(1-4), 1-20. — https://ve42.co/Strogatz2000
Goldsztein, G. H., Nadeau, A. N., & Strogatz, S. H. (2021). Synchronization of clocks and metronomes: A perturbation analysis based on multiple timescales. Chaos: An Interdisciplinary Journal of Nonlinear Science, 31(2), 023109. — https://ve42.co/Goldsztein
The Broughton Suspension Bridge and the Resonance Disaster — https://ve42.co/Broughton
Bennett, M., Schatz, M. F., Rockwood, H., & Wiesenfeld, K. (2002). Huygens's clocks. Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 458(2019), 563-579. — https://ve42.co/Bennett2002
Pantaleone, J. (2002). Synchronization of metronomes. American Journal of Physics, 70(10), 992-1000. — https://ve42.co/Pantaleone2002
Kuramoto, Y. (1975). Self-entrainment of a population of coupled non-linear oscillators. In International symposium on mathematical problems in theoretical physics (pp. 420-422). Springer, Berlin, Heidelberg. -- https://ve42.co/Kuramoto1975
Great video by Minute Earth about Tidal Locking and the Moon — https://ve42.co/MinuteEarth
Strogatz, S. H., Abrams, D. M., McRobie, A., Eckhardt, B., & Ott, E. (2005). Crowd synchrony on the Millennium Bridge. Nature, 438(7064), 43-44. — https://ve42.co/Strogatz2005
Zhabotinsky, A. M. (2007). Belousov-zhabotinsky reaction. Scholarpedia, 2(9), 1435. — https://ve42.co/Zhabotinsky2007
Flavio H Fenton et al. (2008) Cardiac arrhythmia. Scholarpedia, 3(7):1665. — https://ve42.co/Cardiac
Cherry, E. M., & Fenton, F. H. (2008). Visualization of spiral and scroll waves in simulated and experimental cardiac tissue. New Journal of Physics, 10(12), 125016. — https://ve42.co/Cherry2008
Tyson, J. J. (1994). What everyone should know about the Belousov-Zhabotinsky reaction. In Frontiers in mathematical biology (pp. 569-587). Springer, Berlin, Heidelberg. — https://ve42.co/Tyson1994
Winfree, A. T. (2001). The geometry of biological time (Vol. 12). Springer Science & Business Media. — https://ve42.co/Winfree2001
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Written by Derek Muller and Petr Lebedev
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100 metronome video from https://www.youtube.com/watch?v=suxu1bmPm2g
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We Use Black Holes to Study Tectonic PlatesThe ground under our feet is constantly moving, and to measure these movements, researchers have turned to an unlikely helper: quasars that are millions of light-years away.
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Sources:
https://www.jstor.org/stable/24976084?seq=1
https://svs.gsfc.nasa.gov/10964
https://cddis.nasa.gov/Techniques/VLBI/VLBI_Overview.html
http://adsabs.harvard.edu/full/1993IAUS..156..133C
http://adsabs.harvard.edu/full/1988JRASC..82..221G
https://www.sciencedirect.com/topics/earth-and-planetary-sciences/very-long-baseline-interferometr
https://link.springer.com/chapter/10.1007/978-3-642-59745-9_6
https://www.astro.umd.edu/resources/introastro/quasars.html
https://www.iers.org/SharedDocs/Publikationen/EN/IERS/Publications/tn/TechnNote26/tn26_17.pdf?__blob=publicationFile&v=1
https://earthdata.nasa.gov/learn/sensing-our-planet/beacons-in-the-sky-help-monitor-earth-s-orientation-in-space
A brief history of the devil - Brian A. PavlacDownload a free audiobook version of "Devil in the White City" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed
--
Satan, the beast crunching sinners’ bones. Lucifer, the fallen angel. Mephistopheles, the trickster striking deals. These three divergent devils are all based on Satan of the Old Testament. But unlike any of these literary devils, the Satan of the Bible was a relatively minor character. So how did he become the ultimate antagonist, with so many different forms? Brian A. Pavlac investigates.
Lesson by Brian A. Pavlac, directed by Reza Riahi & Mehdi Shiri.
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Why Haven't We Built a Better Battery?This video was created in partnership with Bill Gates, inspired by his new book “How to Avoid a Climate Disaster.” Find out more here: http://gatesnot.es/3qLlFgq
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential technology a power-up!
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Sources:
https://www.forbes.com/sites/davekeating/2021/12/29/germany-commits-to-65-renewable-power-by-2030
https://www.energy-storage.news/news/solar-farm-fitted-with-batteries-to-meet-grid-output-control-requirements-g
https://www.technologyreview.com/2018/07/27/141282/the-25-trillion-reason-we-cant-rely-on-batteries-to-clean-up-the-grid/
https://www.energy.gov/eere/articles/how-does-lithium-ion-battery-work
https://batteryuniversity.com/learn/archive/understanding_lithium_ion
https://www.cei.washington.edu/education/science-of-solar/battery-technology
https://qz.com/1588236/how-we-get-to-the-next-big-battery-breakthrough/
https://www.nature.com/articles/s41467-020-15355-0
https://www.sciencealert.com/new-sodium-ion-battery-performs-as-well-as-some-commercial-lithium-ion-models
Why kids act like they're on shrooms #shortsThey're always high #shorts
Why every world map is wrong - Kayla WolfDig into the inaccuracies of flat maps and how different map designs can shift our point of view.
--
Fourteen Greenlands could fit in Africa— but you wouldn’t guess it from most maps of the world. The fact is, every world map humans have ever made is wrong. Actually, it’s impossible to make a flat map of the whole spherical world 100% right. So why do we bother with these inaccurate maps at all? Kayla Wolf explores how even the simplest changes in map design can shift our point of view.
Lesson by Kayla Wolf, directed by Hernando Bahamon, Globizco Studios.
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5 Ways Biology Is Transforming BuildingsThis video was created in partnership with Bill Gates, inspired by his new book “How to Avoid a Climate Disaster.” Find out more here: http://gatesnot.es/3qLlFgq
Throughout history humans have come up with lots of different ways to build shelters for themselves. But sometimes, inspiration for better construction materials comes from nature, in structures you might not expect — like the scales on a fish or the sweat glands in our own skin!
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Ghost Crabs Take Stomach Growling to a Whole New LevelGo to http://Brilliant.org/SciShow to try out Brilliant’s Daily Challenges. Sign up now and get 20% off an annual Premium subscription.
You think your tummy rumbles? Meet the ghost crab — it growls using teeth inside its stomach, and not because it’s feeling peckish!
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Sources:
https://royalsocietypublishing.org/doi/10.1098/rspb.2019.1161
https://rs.figshare.com/collections/Supplementary_material_from_Growling_from_the_gut_co-option_of_the_gastric_mill_for_acoustic_communication_in_ghost_crabs_/4638137
https://onlinelibrary.wiley.com/doi/epdf/10.1002/jmor.10781
Metric Paper & Everything in the Universe‣ Thank you, Bonnie Bees, for making this video possible: https://www.patreon.com/cgpgrey
‣ Discuss this video: https://www.reddit.com/r/cgpgrey
## Related Videos
Powers of Ten: https://www.youtube.com/watch?v=0fKBhvDjuy0
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Which Planet is Closest? https://www.youtube.com/watch?v=SumDHcnCRuU
Re: Which Planet is Closest? https://www.youtube.com/watch?v=LIS0IFmbZaI
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Big Breakthrough in Artificial Wombs | SciShow NewsA new experimental design that can sustain mouse embryos outside the uterus means that soon, we may be able to watch mammalian embryo development in real time.
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Sources:
https://www.nature.com/articles/s41586-021-03416-3
https://stm.sciencemag.org/content/13/585/eabb7225
Image Sources:
Weizmann Institute of Science
https://www.istockphoto.com/vector/pregnancy-fetal-foetus-development-embryonic-month-stage-growth-month-by-month-gm1223482660-359408343
https://www.istockphoto.com/photo/fetus-development-in-an-artificial-gestational-sac-gm1159756119-317232108
https://www.eurekalert.org/multimedia/pub/259444.php?from=496594
https://www.eurekalert.org/jrnls/scitransmed/pages/syedain-03-17-21.html
https://www.istockphoto.com/photo/recovering-little-child-lying-in-the-hospital-bed-sleeping-mother-holds-her-hand-gm1038799988-278057917
https://www.istockphoto.com/photo/male-circulatory-system-gm508351637-45442582
https://www.istockphoto.com/photo/newborn-baby-and-pregnancy-gm1201705228-344732723
https://www.storyblocks.com/video/stock/closeup-of-a-working-heart-rate-monitor-at-a-surgery-room-of-a-vet-clinic-thysrrk
https://www.storyblocks.com/video/stock/portrait-of-playful-little-boy-holding-arms-like-airplane-wings-while-running-along-alley-covered-with-fallen-yellow-leaves-happy-toddler-child-playing-during-family-leisure-in-autumn-park-hfvov_fksk1qzt5p5
CHOICE #shorts#shorts ƨɈɿoʜƨ#
This is why we can't have nice thingsThis video is about stuff: light bulbs, printers, phones and why they aren't better. Go to https://NordVPN.com/veritasium and use code VERITASIUM to get a 2-year plan plus 1 additional month with a huge discount. It’s risk free with Nord’s 30 day money-back guarantee!
References:
The Man in the White Suit — https://ve42.co/Suit
London, B. (1932). Ending the depression through planned obsolescence. — https://ve42.co/London32
Slade, G. (2009). Made to break: Technology and obsolescence in America. Harvard University Press — https://ve42.co/madetobreak
Krajewski, M. (2014). The great lightbulb conspiracy. IEEE spectrum, 51(10), 56-61. — https://ve42.co/Phoebus
Planet Money, The Phoebus Cartel - https://ve42.co/PMobs
The Light Bulb Conspiracy - https://youtu.be/e9xmn228HM0
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Written by Derek Muller and Petr Lebedev
Animation by Ivan Tello
Filmed by Derek Muller and Raquel Nuno
Edited by Derek Muller
Video supplied by Getty Images
Music by Jonny Hyman and from https://epidemicsound.com"Aquatic Planet", "Rhythm of Dreams", "Tread Lightly", "Unexpected Visitors", "Curved Mirrors" "Drunken Lullaby" "Fluorescent Lights"
Thumbnail by Raquel Nuno and Karri Denise
Why Only Some Vaccines Need Booster ShotsThanks to KiwiCo for supporting this episode of SciShow! Head to kiwico.com/scishow50 or click the link in the description to get 50% off your first month of any crate.
Vaccines teach your immune system to recognize pathogens, but sometimes your body needs a bit of a reminder.
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The Biggest Lie About Nuclear EnergyChernobyl, Fukushima, The Simpsons power plant, they all involve lies!
The first 1000 people to use this link will get a free trial of Skillshare Premium Membership: https://skl.sh/asapscience03211
Join our mailing list: https://bit.ly/34fWU27
Written by Greg Brown and Laura Roklicer
Edited by Luka Šarlija
Video References:
InANutShell - How Many People Did Nuclear Energy Kill? Nuclear Death Toll https://youtu.be/Jzfpyo-q-RM
Real Engineering - The Economics of Nuclear Energy https://youtu.be/UC_BCz0pzMw
References:
The Story of More by Hope Jahren
https://academic.oup.com/eurheartj/article/40/20/1590/5372326
https://ourworldindata.org/safest-sources-of-energy
https://www.nature.com/articles/497539e
https://environmentalprogress.org/big-news/2020/6/29/on-behalf-of-environmentalists-i-apologize-for-the-climate-scare
https://www.health.harvard.edu/cancer/radiation-risk-from-medical-imaging
https://www.newyorker.com/news/dispatch/is-nuclear-power-worth-the-risk
How To Avoid a Climate Disaster by Bill Gates
https://www.google.com/url?q=http://wedocs.unep.org/bitstream/handle/20.500.11822/7790/-Radiation_Effects_and_sources-2016Radiation_-_Effects_and_Sources.pdg.pdf.pdf?sequence%3D1%26isAllowed%3Dy&sa=D&source=editors&ust=1616634317411000&usg=AOvVaw3RQ_1UzwPOVYd1BEN5JEMQ
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6194698/
https://ourworldindata.org/safest-sources-of-energy
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2996147/
https://vault.sierraclub.org/nuclear/factsheet.aspx
Can you solve the fantasy election riddle? - Dennis E. ShashaPractice more problem-solving at https://brilliant.org/TedEd/
--
After much debate, the realm has decided dragon jousting may not be the best way to choose its leaders, and has begun transitioning to democracy. Your company was hired to survey the citizens of the land and predict which candidate will win. There’s a lot riding on this: if you get it wrong, heads— well, your head— will quite literally roll. Can you predict the winner? Dennis Shasha shows how.
Lesson by Dennis E. Shasha, directed by Igor Coric, Artrake Studio.
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Thank you so much to our patrons for your support! Without you this video would not be possible! Ken, zjweele13, Jurjen Geleijn, Anna-Pitschna Kunz, Edla Paniguel, Thomas Mungavan, Jaron Blackburn, Venkat Venkatakrishnan, ReuniteKorea, John Saveland, Aaron Henson, Cailin Ramsey, Begum Tutuncu, Ever Granada, Brian Richards, Divina Grace Dar Santos, Cindy O., Jørgen Østerpart, Tyron Jung, Carolyn Corwin, Charlene You, Carsten Tobehn, Katie Dean, Ezgi Yersu, Gerald Onyango, alessandra tasso, Alan Froese, Côme Vincent, Doreen Reynolds-Consolati, Manognya Chakrapani, Ayala Ron, Samantha Chow, Eunsun Kim, Phyllis Dubrow, Ophelia Gibson Best, Paul Schneider, Joichiro Yamada, Henrique 'Sorín' Cassús, Lyn-z Schulte, Elaine Fitzpatrick, Karthik Cherala, Joshua Merchant, Clarence E. Harper Jr., Clarissa Bartolini-Toro, Exal Enrique Cisneros Tuch, Srikote Naewchampa, Tejas Dc, Khalifa Alhulail, Martin Stephen and Dan Paterniti.
Your Phone and You: How Your Cell Affects YouFor most of us, our bodies are interacting with phones nearly all the time, whether we're looking at screens, listening to music, or carrying them in our pockets. If you are wondering about the health implications of a world filled with devices, here's a selection of episodes about the science of phones!
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Links to Original Episodes and Sources:
Can Screens Damage Your Eyes?
https://www.youtube.com/watch?v=4z0JvFa9lx8
Does Using Your Phone Hurt Your Sleep?
https://www.youtube.com/watch?v=PrTPE9QojuE
Do Cell Phones Cause Cancer?
https://www.youtube.com/watch?v=ju2kcMzALkc
Why You Think Your Phone Just Buzzed
https://www.youtube.com/watch?v=FDmucVCh9X4
Is There a Safe Way to Use Your Phone and Drive?
https://www.youtube.com/watch?v=vpva5vr9tGE
Hybrid Illusions #shortsHere's a shirt #short
The CLOSE/FAR illusion shirt comes in our latest curiosity box: https://www.curiositybox.com/
There Are Mountains Deep Within the EarthScientists think they’ve discovered some peaks taller than Mt Everest deep beneath the earth’s crust, and this range might be the key to one of the biggest mysteries in geology!
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Sources:
https://science.sciencemag.org/content/363/6428/696
https://www.nationalgeographic.com/science/2019/03/rugged-mountains-taller-everest-lurk-deep-inside-earth/
https://science.sciencemag.org/content/363/6428/736
https://link.springer.com/article/10.1007/s11214-020-00649-y
https://www.smithsonianmag.com/science-nature/decades-long-quest-drill-earths-mantle-may-soon-hit-pay-dirt-180957908/
How Can Rain Create Conflict? Precipitation and Water Use: Crash Course Geography #11If you compare precipitation around the world with population distribution we can understand a simple but powerful pattern of human geography: where there is water, there are people. But it gets a little more complicated because where there are people and limited resources, there is often conflict and bigger geographical questions at stake. So today, we’re going to zoom in and look more closely at how precipitation patterns around the Great Plains and the western United States has led to many conflicts involving the use and distribution of water resources.
***
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Ugly History: The Spanish Inquisition - Kayla WolfDig into the era of the Spanish Inquisition, when the Catholic Church was charged with rooting out and punishing heresy.
--
In 1478, Pope Sixtus IV issued a decree authorizing the Catholic monarchs, Ferdinand and Isabella, to root out heresy in the Spanish kingdoms. The inquisition quickly turned its attention to ridding the region of people who were not part of the Catholic Church— leading to more than 350 years of ethnic cleansing. Kayla Wolf digs into the persecution and brutality of the Spanish Inquisition.
Lesson by Kayla Wolf, directed by Luísa M H Copetti, Hype CG.
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Thank you so much to our patrons for your support! Without you this video would not be possible! Jennifer Kurkoski, Ryan B Harvey, Abhishek Bansal, Jose Arcadio Valdes Franco, Karl Laius, JY Kang, Charles A Hershberger, Robert Seik, Heidi Stolt, Alexis Hevia, Brady Jones, Christina Salvatore, Karlee Finch, Michael Goldberg, Mario Mejia, Nicolas Silva, Kurt Almendras, Denise A Pitts, Doug Henry, Kristiyan Bonev, Keven Webb, Mihai Sandu, Deepak Iyer, Javid Gozalov, Jaime Arriola, Rebecca Reineke, William Biersdorf, Patricia Alves Panagides, Valeria Sloan Vasquez, Yvette Mocete, Cyrus Garay, Victoria Soler-Roig, Samuel Barbas, Brighteagle, LadyGeek, Curtis Light, Dwight Schrute, Dianne Palomar, Marin Kovachev, Ravi S. Rāmphal, Tekin Gültekin, Gaurav Mathur, Erik Biemans, Tony, Michelle, Katie and Josh Pedretti, Aidan Forero, Sunny Patel, Lowell Fleming, Hoai Nam Tran, Stina Boberg and Kack-Kyun Kim.
Whale Poop Helps Cool Our PlanetGo to http://Brilliant.org/SciShow to try their Statistics Fundamentals course. Sign up now and get 20% off an annual Premium subscription.
You might not think of a sea creature as helpful in the prevention of climate change, but sperm whales have been doing their part to cool the planet by doing what most animals do best: pooping.
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The Truth About Cracking Your Knuckles #shortsHere's what happens to your knuckles when you crack them #shorts
What’s the best fuel for your car?Dig into which fuel— gasoline, electric, biofuels, or electrofuels— is both affordable for consumers and sustainable for the planet.
--
Historically, most cars have run on gasoline, but that doesn’t have to be the case in the future: other liquid fuels and electricity can also power cars. So what are the differences between these options? And which one’s best? Dig into which fuel— gasoline, electric, biofuels, or electrofuels— is both affordable for consumers and sustainable for the planet.
Directed by Lisa LaBracio.
Animation and art direction by Kevin Herrmann, AIM Creative Studios.
In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero
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Thank you so much to our patrons for your support! Without you this video would not be possible! Sumedh Ghaisas, Guhten, Maryam, Bethany Connor, Jeremy Shimanek, Mark Byers, Avinash Amarnath, Xuebicoco, Rare Media, Rayo, Po Foon Kwong, NinjaBoffin, Jesse Jurman, Josue Perez Miranda, Scott Markley, Elija Peterson, Ovidiu Mrd, Lawrence Wu, Xavier Dupont, Aravind Battaje, Nathan Giusti, Helen Lee, Anthony Benedict, Karthik Balsubramanian, John Hong, Annastasshia Ames, Sebastiaan Hols, Aries SW, Amy Lopez, Liz Candee, Kathryn Vacha, Anthony Arcis, Jeffrey Segrest, Karmi Nguyen, Yelena Baykova, Harshita Jagdish Sahijwani, Nick Johnson, Carlos H. Costa, Mohamed Elsayed, Les Howard, Jennifer Kurkoski, Ryan B Harvey, Abhishek Bansal, Jose Arcadio Valdes Franco, Karl Laius, JY Kang, Charles A Hershberger, Robert Seik, Heidi Stolt and Alexis Hevia.
These Extinct Birds Really Stretch the Definition of “Bird”This episode is brought to you by the Music for Scientists album! Stream the album on major music services here: https://streamlink.to/music-for-scientists. Check out “The Idea” music video here: https://www.youtube.com/watch?v=tUyT94aGmbc.
From birds with no wings to giant fowl that were once mistaken for predators, here are 6 birds that who's strange features may not be what you think of when you think of birds!
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Sources:
https://bit.ly/3tF3SJ2
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https://commons.wikimedia.org/wiki/File:Pterosaur_(Zhengzhou).jpg
Why Do Boats Make THIS Pattern?Go to https://curiositystream.com/minutephysics to get access to CuriosityStream AND Nebula (where you can watch the extended version of this video), plus you'll get a 26% discount on an annual subscription.
This video is about the "Kelvin wake" shape of water wakes behind boats - we talk about mach angle, dispersion, superposition of many waves, and how these all lead to the pattern of a wake. We don't get into Froude number though...
REFERENCES
Boat Wake Wikipedia Page: https://en.wikipedia.org/wiki/Wake
Interactive Boat Wake Simulation: https://observablehq.com/@rreusser/dispersion-in-water-surface-waves
Feynman Lectures on Water Waves: https://www.feynmanlectures.caltech.edu/I_51.html#Ch51-S4
Building up a Boat Wake from V-Shaped Wakes: https://editor.p5js.org/aatish/full/bDiykicsC
Ship Wakes - Kelvin or Mach Angle? Rabaud and Moisy Paper: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.110.214503
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Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!
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Slingshot Spiders Put Fighter Pilots to ShameSciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription.
There are all kinds of ways that a spider can catch its prey, but few species are as extreme as the slingshot spider!
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We Found a Bunch of New Eye Color Genes | SciShow NewsSciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription.
This week, scientists have managed to make tear gland organoids that cry, and have also found a bunch of new genes involved in eye color!
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Why "Nothing" Matters in ScienceWatch the music video for "The Idea" off the album Music For Scientists: https://www.youtube.com/watch?v=tUyT94aGmbc
Null results often get a bad rap, sometimes characterized as a study "finding nothing," but there's a lot we can learn from studies whose results fail to support their hypotheses.
LEARN MORE
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To learn more about this topic, start your googling with these keywords:
Null result: a result in a scientific study that doesn’t support the hypothesis
Premature birth: also known as preterm birth, is a birth that occurs before the 37th week of pregnancy
XENON1T: a highly sensitive experiment to search for direct interactions of dark matter particles. It’s located deep under Italy’s Gran Sasso mountain at the Gran Sasso National Laboratory.
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Sarah Berman • Arcadi Garcia i Rius
David Goldenberg • Julián Gustavo Gómez
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Peter Reich • Ever Salazar • Kate Yoshida
REFERENCES
**************
The importance of no evidence. Nat Hum Behav 3, 197 (2019). https://doi.org/10.1038/s41562-019-0569-7
Jena, A. B. (2017, November 10). 'Null' research findings aren't empty of Meaning. Let's publish them. Retrieved March 19, 2021, from https://www.statnews.com/2017/11/10/null-research-findings/
Maloni, Judith A. “Lack of evidence for prescription of antepartum bed rest.” Expert review of obstetrics & gynecology vol. 6,4 (2011): 385-393. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3226811/
Matosin N, Frank E, Engel M, Lum JS, Newell KA. Negativity towards negative results: a discussion of the disconnect between scientific worth and scientific culture. Dis Model Mech. 2014 Feb;7(2):171-3. https://pubmed.ncbi.nlm.nih.gov/24713271/
Miller-Halegoua, Suzanne M. “Why null results do not mean no results: negative findings have implications for policy, practice, and research.” Translational behavioral medicine vol. 7,2 (2017): 137. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5526820/
Mlinarić, Ana, Martina Horvat, and Vesna Šupak Smolčić. "Dealing with the positive publication bias: Why you should really publish your negative results." Biochemia medica 27.3 (2017): 447-452. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5696751/
W David Crews, Jr, David W Harrison, James W Wright, A double-blind, placebo-controlled, randomized trial of the effects of dark chocolate and cocoa on variables associated with neuropsychological functioning and cardiovascular health: clinical findings from a sample of healthy, cognitively intact older adults, The American Journal of Clinical Nutrition, Volume 87, Issue 4, April 2008, Pages 872–880, https://doi.org/10.1093/ajcn/87.4.872
Zhao, L. (2017, December 29). When null results produce important science. Retrieved March 19, 2021, from https://blogs.scientificamerican.com/observations/when-null-results-produce-important-science/
The Mysterious Origins of the NucleusThis episode is brought to you by the Music for Scientists album! Stream the album on major music services here: https://streamlink.to/music-for-scientists. Check out “The Idea” music video here: https://www.youtube.com/watch?v=tUyT94aGmbc.
The cell nucleus is crucial to multicellular life, so you think science would have a good idea how it evolved. The truth is, we don't, but Scientists do have some theories, including invading giant viruses!
Hosted by: Stefan Chin
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Nightingale Diagrams - NumberphileProfessor Mike Merrifield discusses diagrams popularized by Florence Nightingale.
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Professor Mike Merrifield is an astronomer at the University of Nottingham, UK.
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How do antidepressants work? - Neil R. JeyasingamDig into the discovery of antidepressant drugs, how they work, and what we still don’t know about depression.
--
In the 1950s, the discovery of two new drugs sparked what would become a multi-billion dollar market for antidepressants. Neither drug was intended to treat depression at all— many doctors and scientists believed psychotherapy was the only approach to treatment. Neil R. Jeyasingam details the decades-long journey that followed and how it revolutionized our understanding of depression.
Lesson by Neil R. Jeyasingam, directed by Skirmanta Jakaitė, Art Shot.
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Alcohols, Ethers, and Epoxides: Crash Course Organic Chemistry #24What comes to mind when you think of alcohol? Probably alcoholic drinks like beer or wine. But in organic chemistry alcohols are an important and versatile family of compounds. In this episode of Crash Course Organic Chemistry, we’ll use alcohols as a starting point to get other types of compounds like ethers, epoxides, and more!
Episode Sources:
Brunning, A. Compound Interest https://www.compoundchem.com/2016/05/04/oxidation-reactions-of-alcohols/
Series Sources:
Brown, W. H., Iverson, B. L., Ansyln, E. V., Foote, C., Organic Chemistry; 8th ed.; Cengage Learning, Boston, 2018.
Bruice, P. Y., Organic Chemistry, 7th ed.; Pearson Education, Inc., United States, 2014.
Clayden, J., Greeves, N., Warren., S., Organic Chemistry, 2nd ed.; Oxford University Press, New York, 2012.
Jones Jr., M.; Fleming, S. A., Organic Chemistry, 5th ed.; W. W. Norton & Company, New York, 2014.
Klein., D., Organic Chemistry; 1st ed.; John Wiley & Sons, United States, 2012.
Louden M., Organic Chemistry; 5th ed.; Roberts and Company Publishers, Colorado, 2009.
McMurry, J., Organic Chemistry, 9th ed.; Cengage Learning, Boston, 2016.
Smith, J. G., Organic chemistry; 6th ed.; McGraw-Hill Education, New York, 2020.
Wade., L. G., Organic Chemistry; 8th ed.; Pearson Education, Inc., United States, 2013.
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Could humans ever evolve to have wings? Why don’t fish have propellers? Why don’t tigers have wheels? Why don’t zebras have laser turrets? These might all seem like stupid questions (and maybe they are!) but they can teach us a lot about how evolution actually works, and how it doesn’t work.
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Why Do Our Bones Make Our Blood?Go to http://Brilliant.org/SciShow to try their Physics of the Everyday course. Sign up now and get 20% off an annual Premium subscription.
Our bones are multi-functional body builders, but perhaps their most mysterious function is the production of blood. Scientists now think they have a pretty good idea why this is where our blood gets made.
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Sources:https://doi.org/10.1038/s41586-018-0213-0 https://pubmed.ncbi.nlm.nih.gov/21566758/https://pubmed.ncbi.nlm.nih.gov/29907823/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1555080/https://stemcells.nih.gov/info/2001report/chapter5.htm Image Sources:https://www.storyblocks.com/video/stock/dancing-skeleton--animation-green-background-loop-h_n-gx1cwkjgtc7lghttps://www.istockphoto.com/photo/northern-cardinal-gm172262353-3715783https://www.istockphoto.com/photo/topical-saltwater-clownfish-gm108270220-9016363https://www.istockphoto.com/photo/red-eyed-tree-frog-smile-gm1049028724-280573845https://www.istockphoto.com/vector/dog-bone-gm481971399-22818540https://www.istockphoto.com/photo/blood-cells-gm1257429592-368507071https://www.istockphoto.com/vector/vector-background-gm1167677658-322110997https://www.istockphoto.com/vector/hematopoietic-stem-cell-gm499405345-42410804https://www.istockphoto.com/vector/vector-set-of-sun-icons-gm1163216334-319333753https://www.istockphoto.com/vector/human-bone-anatomy-gm1218464203-356050584https://www.istockphoto.com/vector/blackboard-chalkboard-green-empty-gm481131675-36861090https://www.storyblocks.com/video/stock/underwater-ocean-waves-ripple-and-flow-with-light-rays-loop-sfjmg3-hxix9gmruuhttps://www.istockphoto.com/vector/people-have-heatstroke-concept-illustration-gm858472098-141632245https://www.nature.com/articles/s41586-018-0213-0#citeashttps://www.istockphoto.com/vector/vector-illustration-of-blue-umbrella-vector-set-on-white-background-gm1131169719-299428618https://www.istockphoto.com/vector/bright-rays-background-gm1157721782-315979058https://www.istockphoto.com/vector/skelettben-gm1062656882-284101041https://www.storyblocks.com/video/stock/inspection-of-blood-in-the-blood-vessels-of-the-circulatory-system-soy0swk5ika4wmtyihttps://www.istockphoto.com/vector/conveyor-belt-with-cardboard-boxes-at-factory-gm1275766018-375786051https://www.istockphoto.com/vector/drop-gm1081786788-290097354https://www.istockphoto.com/vector/safety-goggles-isolated-on-blue-background-with-a-shadow-underneath-gm833076746-135581363https://www.istockphoto.com/vector/creative-vector-illustration-of-factory-line-manufacturing-industrial-plant-scen-gm1136878200-302941711
How much land does it take to power the world?Explore the sustainability of fossil fuels, nuclear power, and renewable energy and how much space each of these power sources use.
--
No matter how we make electricity, it takes up space. Coal requires mines, and plants to convert it into electricity. Nuclear power takes uranium mines, facilities to refine it, a reactor, and a place to store the spent fuel safely. Renewable energy needs wind turbines or solar panels. So how much space would it take to power the whole world? Explore the sustainability of different power sources.
Directed by Lisa LaBracio.
Animation and art direction by Kevin Herrmann, AIM Creative Studios.
In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero
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The Ridiculous Way We Used To Calculate PiFor thousands of years, mathematicians were calculating Pi the obvious but numerically inefficient way. Then Newton came along and changed the game. This video is sponsored by Brilliant. The first 314 people to sign up via https://brilliant.org/veritasium get 20% off a yearly subscription.
Happy Pi Day! (for a few days ago...)
References:
Arndt, J., & Haenel, C. (2001). Pi-unleashed. Springer Science & Business Media — https://ve42.co/Arndt2001
Dunham, W. (1990). Journey through genius: The great theorems of mathematics. Wiley — https://ve42.co/Dunham1990
Borwein, J. M. (2014). The Life of π: From Archimedes to ENIAC and Beyond. In From Alexandria, Through Baghdad (pp. 531-561). Springer, Berlin, Heidelberg — https://ve42.co/Borwein2012
Special thanks to Alex Kontorovich, Professor of Mathematics at Rutgers University, and Distinguished Visiting Professor for the Public Dissemination of Mathematics National Museum of Mathematics MoMath for being part of this Pi Day video.
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Written by Derek Muller and Alex Kontorovich
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Cephalopods Have a Totally Wild Way of AdaptingWith their squishy bodies and color-changing abilities, octopuses and other cephalopods already look like our planet’s resident aliens. But researchers have discovered yet another thing that separates them from most other animals on Earth!
Hosted by: Hank Green
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Sources:
https://doi.org/10.1016/j.cell.2017.03.025
https://doi.org/10.7554/eLife.05198
https://doi.org/10.1093/nar/gkaa172
https://doi.org/10.1038/s41587-019-0013-6
https://doi.org/10.1093/mollus/eyw052
https://doi.org/10.1126/science.1212795
https://pubmed.ncbi.nlm.nih.gov/29182635/
Image sources:
Thank you to 7Seil for the footage of an octopus opening a jar! (https://youtu.be/_xfDYs_6rUk)
https://www.istockphoto.com/vector/genetics-flat-design-baby-icon-gm915904400-252052163
https://www.istockphoto.com/photo/cuttlefish-gm139531609-667477
https://www.istockphoto.com/vector/education-icons-gm538049914-95611693
https://www.istockphoto.com/vector/cooking-class-chef-cook-stick-figure-pictogram-icons-gm496989862-78859591
https://www.istockphoto.com/vector/set-of-kitchen-utensil-icon-gm1296529250-389920253
https://www.istockphoto.com/vector/hot-pepper-flat-design-mexico-icon-with-side-shadow-gm926930526-254309654
https://www.istockphoto.com/vector/salt-or-pepper-shaker-icon-gm944153334-257926040
https://www.eurekalert.org/multimedia/pub/227559.php
https://www.istockphoto.com/photo/octopus-vulgaris-gm655094820-120552077
https://www.eurekalert.org/multimedia/pub/227560.php?from=459271
https://www.istockphoto.com/photo/a-nautilus-in-the-beautiful-blue-ocean-gm140789712-19146667
https://www.istockphoto.com/photo/octopus-tentacles-and-suckers-gm507858277-45917644
Cuneiform Numbers - NumberphileAlex Bellos discusses how numbers were written in ancient Cuneiform.
More links & stuff in full description below ↓↓↓
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Why Banana Flavoring Doesn't Taste Like Bananas #shortsthis is truly bananas! #shorts
The incredible, bendable, twistable, expandable elephant trunk - Chase LaDue & Bruce A. SchulteDiscover the incredible ways elephants use their trunks to sense and communicate information and emotion.
--
As a breeze blows through the savannah, a snake-shaped tube stretches into the air and scans the horizon like a periscope. But it’s not seeing— it’s sniffing. Containing no bones and an estimated 40,000 muscles, an elephant trunk is one of the most versatile tools in the animal kingdom. Chase LaDue and Bruce Schulte detail the incredible capabilities of these agile appendages.
Lesson by Chase LaDue and Bruce A. Schulte, directed by Petya Zlateva.
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Why Do Humans Have Butts?If you've been wondering why we have butts, wonder no more! We have an answer for you.
Hosted by: Michael Aranda
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Sources:
https://www.loc.gov/everyday-mysteries/biology-and-human-anatomy/item/what-is-the-strongest-muscle-in-the-human-body/
https://pubmed.ncbi.nlm.nih.gov/14527626/
https://pubmed.ncbi.nlm.nih.gov/27765147/
https://www.sbs.com.au/topics/science/humans/article/2016/06/29/ask-evolution-why-we-have-butt-cheeks
https://gizmodo.com/why-do-we-have-butts-1826004199
https://pubmed.ncbi.nlm.nih.gov/20065965/
https://onlinelibrary.wiley.com/doi/abs/10.1002/ajpa.1330360303
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4718477/
https://jeb.biologists.org/content/209/11/2143
https://link.springer.com/article/10.1007/BF02436430
https://www.nature.com/articles/nature03052
https://massivesci.com/articles/butts-shape-big-anthropologist-evolution-how-why-explainer/
Anal Teeth, Paralyzing Farts, and Other Weaponized ButtsAll animals have adaptations that help them survive in the wild...some just focus more on back-end development than others. Whether for offense, defense, or both, here are five creatures with butt-kicking behinds!
Hosted by: Michael Aranda
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Sources:
https://academic.oup.com/biolinnean/article/36/1-2/169/2646965?login=true
https://www.washingtonpost.com/news/speaking-of-science/wp/2016/10/06/wombats-have-buns-of-steel-and-they-might-literally-be-deadly/
https://www.google.com/books/edition/Wombats/_yxSd03pQdsC?hl=en&gbpv=1&bsq=rump
