Neutrinos are weird. But all the big unsolved problems in physics are somehow connected to one unsolved mystery: Why do neutrinos have mass? Hosted by: Stefan Chin SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Bealer, Jacob, Katie Marie Magnone, D.A. Noe, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, James Knight, Sam Buck, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.symmetrymagazine.org/article/how-heavy-is-a-neutrino www.scientificamerican.com/article/nova-experiment-neutrino-mass-mystery/ phys.org/news/2015-12-nobel-winning-discovery-neutrino-oscillations-neutrinos.html hitoshi.berkeley.edu/neutrino/PhysicsWorld.pdf www.nature.com/articles/d41586-019-02786-z www.quantamagazine.org/how-the-neutrinos-tiny-mass-could-help-solve-big-mysteries-20191015/ www.sciencedirect.com/topics/physics-and-astronomy/neutrino-masses www.nobelprize.org/prizes/physics/2015/press-release/ physics.aps.org/articles/v6/111 www.symmetrymagazine.org/article/neutrinos-on-a-seesaw arxiv.org/abs/hep-ph/9911364 bionumbers.hms.harvard.edu/bionumber.aspx?s=y&id=101795&hlid=64639 news.fnal.gov/2012/09/neutrinos-majorana-or-dirac/ www.nature.com/articles/s41586-020-2177-0 physicstoday.scitation.org/do/10.1063/PT.6.1.20200423a/full/ www.hyper-kamiokande.org/en/neutrino.html www.nobelprize.org/uploads/2018/06/popular-physicsprize2015.pdf neutrinos.fnal.gov/mysteries/handedness/ www.sciencedirect.com/science/article/pii/S0924809906800314 inspirehep.net/literature/1735843 arxiv.org/abs/0706.2132 www.quantamagazine.org/do-neutrinos-explain-matter-antimatter-asymmetry-20160728/ Image Sources: www.videoblocks.com/video/back-close-up-shot-of-woman-looking-into-distance-hiding-from-the-sun-with-a-hand-b75ext618k4z0ksp6 www.istockphoto.com/vector/bright-background-gm1144483883-307700998 www.istockphoto.com/vector/up-and-down-carousel-for-two-kids-on-white-backfit-gm1165445947-320690134 www.istockphoto.com/vector/a-clot-of-energy-symbol-is-a-substance-of-blue-color-circle-shapes-dynamic-particle-gm936279784-256103087