Poisoning has always been a popular method of getting rid of one’s enemies, but is there actually a “perfect” poison capable of being completely undetectable? Here are 6 of the poisons that have confounded doctors throughout history! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- 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.britannica.com/science/metalloid www.dartmouth.edu/~toxmetal/arsenic/history.html jmvh.org/article/arsenic-the-poison-of-kings-and-the-saviour-of-syphilis/ www.ncbi.nlm.nih.gov/pmc/articles/PMC1742758/pdf/v079p00391.pdf www.chemistryworld.com/opinion/marshs-mirror/2500415.article www.health.ny.gov/environmental/emergency/chemical_terrorism/cyanide_general.htm calpoison.org/news/acute-cyanide-poisoning emergency.cdc.gov/agent/cyanide/basics/facts.asp phys.org/news/2015-03-cyanide-poisoning-seconds.html ccn.aacnjournals.org/content/31/1/72.full www.washingtonpost.com/archive/local/2004/05/18/howard-teen-guilty-in-poisoning/d063a0ea-aa01-4f2b-90b6-3bfd901005ed/ www.slate.com/blogs/crime/2013/10/01/tianle_li_xiaoye_wang_why_thallium_is_known_as_the_poisoner_s_poison.html calpoison.org/news/thallium-poisoning www.ncbi.nlm.nih.gov/pubmed/6338655 www.theguardian.com/world/2013/nov/06/polonium-210-poison-alexander-litvinenko www.theguardian.com/world/2016/mar/06/alexander-litvinenko-and-the-most-radioactive-towel-in-history www.independent.co.uk/life-style/health-and-families/health-news/alexander-litvinenko-what-does-polonium-do-to-the-body-inquiry-andrei-lugovoi-and-dmitri-kovtun-a6824811.html www.chemistryworld.com/news/polonium-210a-deadly-element/3003225.article www.britannica.com/science/alpha-particle www.livescience.com/54901-free-radicals.html www.poison.org/articles/2007-dec/antifreeze-bad-for-your-kids-and-pets calpoison.org/news/diagnosis-treatment-ethylene-glycol-antifreeze-ingestion www.motherjones.com/environment/2014/01/inquiring-minds-deborah-blum-poison-forensics/ www.tandfonline.com/doi/full/10.1080/15563650701419011 www.webmd.com/a-to-z-guides/what-is-metabolic-acidosis#1 articles.latimes.com/1988-09-01/news/ga-4412_1_common-poisons www.ncbi.nlm.nih.gov/pmc/articles/PMC3089829/ www.britannica.com/topic/cardiovascular-drug#ref295301 articles.latimes.com/1991-04-09/local/me-223_1_murder-case Images: commons.wikimedia.org/wiki/File:GHS-pictogram-skull.svg commons.wikimedia.org/wiki/File:Arsen_1a.jpg commons.wikimedia.org/wiki/File:Marsh_James.jpg commons.wikimedia.org/wiki/File:Marsh_test_apparatus.jpg commons.wikimedia.org/wiki/File:Sodium_Cyanide.jpg commons.wikimedia.org/wiki/File:Kaliumcyanid.jpg commons.wikimedia.org/wiki/File:Thallium_pieces_in_ampoule.jpg commons.wikimedia.org/wiki/File:Alpha_po_lattice.jpg commons.wikimedia.org/wiki/File:Ethylene-glycol-3D-balls.png commons.wikimedia.org/wiki/File:Samlpe_of_Ethylene_glycol.jpg commons.wikimedia.org/wiki/File:Glycolic_acid_3D_ball.png commons.wikimedia.org/wiki/File:Calcium_oxalate_crystals_in_urine.jpg commons.wikimedia.org/wiki/File:Nerium_oleander_flowers_leaves.jpg

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