Why isn't the world covered in poop? - Eleanor Slade and Paul Manning

Learn more by reading Douglas J. Emlen's "Animal Weapons": https://amzn.to/2I2SLSw View full lesson: https://ed.ted.com/lessons/why-isn-t-the-world-covered-in-poop-eleanor-slade-and-paul-manning Check out our book rec page: http://bit.ly/2I3INQC Each day, the animal kingdom produces roughly enough poop to match the volume of water pouring over Victoria Falls. So why isn’t the planet covered in the stuff? You can thank the humble dung beetle for eating up the excess. Eleanor Slade and Paul Manning explain how these valiant insects make quick work of an endless stream of feces. Lesson by Eleanor Slade and Paul Manning, animation by Anton Bogaty. Thank you so much to our patrons for your support! Without you this video would not be possible! Emma Moyse, Fahad Nasser Chowdhury, Marin Kovachev, Mohamad Aiman Fitri Bin Annuar, Daniel Huerga, Maria Lerchbaumer, Kevin Le, Edgar Campos Barrachina, Dianne Palomar, Chris Buccellati, Curtis Light, Liana Switzer, Maija Chapman, Pamela Harrison, Dylan Drover, Mighterbump , Beatriz Inácio, Robert Hargis, Mark wisdom, Mircea Sîrbu, Molly Gardner, Irindany Sandoval, William Bravante, Elizabeth Parker, Sai Krishna Koyoda, Therapist Gus, Samuel Barbas, Betsy Feathers, Maxwell Ingram, Ajinkya Deshmukh, Victoria Soler-Roig, Abdulmateen Aderinto, Pavel Maksimov, Cyrus Garay, Triết Thạch Minh, Yvette Mocete, Mike Azarkman, Valeria Sloan Vasquez, Patricia Alves Panagides, William Biersdorf, Michael Aquilina, Vinamr L. Sachdeva, Ryan Phillips, FireWolfLasers , Kshitij Shah, Teach Me Diné - Navajo Language, Jonah Jukes-Smith, Victoria Veretilo, Rebecca Reineke, Felipe Hoff, Brandon Thomas, Lewis Westbury, Bogdan Zubrickis, Mada Arslan, Johnny Gutierrez, Mirzat Turap, Jaime Arriola, Emilia Alvarado, Javid Gozalov, 真佑 劉, Ethan , Paul Beard, Deepak Iyer, Markus Goldhacker, Mihai Sandu, Keven Webb, Hendrik Mueller, Kristiyan Bonev, Philipp Hiestand, Maya Toll, Andreas Voltios, Nick Johnson, Ricardo Rendon Cepeda, Anika Westburg, Tom Lee, Benjamin & Shannon Pinder, Ana Maria, and Alan Froese.