Why don’t poisonous animals poison themselves? - Rebecca D. Tarvin

Have you checked out our Patreon page?   / teded   View full lesson: https://ed.ted.com/lessons/why-don-t-... Thousands of animal species use toxic chemicals to defend themselves from predators. Snakes have blood clotting compounds in their fangs, the bombardier beetle has corrosive liquid in its abdomen and jellyfish have venomous, harpoon-like structures in their tentacles. But how do these animals survive their own poisons? Rebecca D. Tarvin details the strategies that protect animals from themselves. Lesson by Rebecca D. Tarvin, animation by Giulia Martinelli. Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Oyuntsengel Tseyen-Oidov, Latora Slydell, Sydney Evans, Victor E Karhel, Bernardo Paulo, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Gustavo Mendoza, Zhexi Shan, Hugo Legorreta, PnDAA , Sandra Tersluisen, Ellen Spertus, Fabian Amels, sammie goh, Mattia Veltri, Quentin Le Menez, Yuh Saito, Joris Debonnet, Heather Slater, Dr Luca Carpinelli, Janie Jackson, Christophe Dessalles, Arturo De Leon, Eduardo Briceño, Bill Feaver, Ricardo Paredes, David Douglass, Grant Albert, Paul Coupe, Jen, Megan Whiteleather, and Mayank Kaul.