How much LSD should you give an elephant?

The hidden math that governs life. Sponsored by Brilliant - Try Brilliant for free, plus get 20% off an annual Premium subscription at https://brilliant.org/veritasium Last year, we launched the Elements of Truth game on Kickstarter and were thrilled by the response. We’re now in the final stages of production, with Kickstarter rewards shipping soon. Pre-order the retail edition here: https://elementsoftruth.game/ If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV For weekly science news, and an exclusive Q&A where Writer/Director Daniel Leonard discusses the making of this video, sign up to the Veritasium newsletter - https://ve42.co/Newsletter For early access to work in progress videos join our Patreon - https://ve42.co/VePatreon ▀▀▀ 0:00 How much LSD should you give an elephant? 3:09 Metabolic Rate In Animals 5:27 The Surface Law 8:04 What is Kleiber’s Law? 10:49 Why is ¼ everywhere in biology? 13:33 WBE Theory 19:53 Every animal has 1,000,000,000 heartbeats 23:11 Why Humans Live Longer 24:31 Is it better to live in a city or a small town? 30:12 Is there really a universal scaling exponent for life? ▀▀▀ Much of this video was inspired by Geoffrey West’s book: Scale. Check it out here - https://ve42.co/ScaleBook ▀▀▀ Special thanks to the experts who helped make this video possible: Brian Enquist, whose work helped inspire this video, for sharing the story behind WBE theory and helping us make its key assumptions and derivation more accurate. Van Savage, for the generous and detailed feedback that sharpened our explanation of WBE theory, self-similarity, and the current state of the field. Steven Strogatz, for the insightful conversations, on-camera contribution, and careful reviews that helped us keep the mathematics clear and the story scientifically honest. Peter Sheridan Dodds, for helping us understand the objections to WBE theory and the debate over three-quarter-power scaling. And the many other experts who discussed this topic with us as we were developing the script, for their invaluable contributions: Luis Bettencourt, Jayanth Banavar, Aaron Clauset, Juan Rubalcaba, and Douglas Glazier. ▀▀▀ References: https://ve42.co/ScaleRefs ▀▀▀ Special thanks to our Patreon supporters: Adam Foreman, Albert Wenger, Alex Porter, Alexander Tamas, André Powell, Anton Ragin, Balkrishna Heroor, Bertrand Serlet, Blake Byers, Bruce, Bryan Ackermann, Chris Brewer, Data Don, Dave Kircher, David Johnston, David Tseng, EJ Alexandra, Evgeny Skvortsov, Garrett Mueller, Gnare, gpoly, Hayden Christensen, Hong Thai Le, Ibby Hadeed, Jeromy Johnson, Jesse Brandsoy, Juan Benet, Kelcey Steele, KeyWestr, Kyi, Lee Redden, Marinus Kuivenhoven, Mark Heising, Martin Paull, Meekay, meg noah, Michael Krugman, Moebiusol - Cristian, Orlando Bassotto, Parsee Health, Paul Peijzel, Robson, Sam Lutfi, Shalva Bukia, Sinan Taifour, Sweet_Nemo, Tj Steyn, Ubiquity Ventures, Vahe Andonians, wolfee ▀▀▀ Writers - Daniel Leonard, Casper Mebius & Derek Muller Producer & Director - Daniel Leonard Presenters & Narration - Derek Muller & Henry van Dyck Editors - Trenton Oliver, Axel Oliver & Jonny Lennard Assistant Editor - James Stuart Animators - Alex Drakoulis, Andrew Neet, Domonkos Józsa, Emma Wright & Fabio Albertelli Illustrators - Jakub Misiek & Raphael Aubry Simulations - Callum Cuttle & Aakash Singh Bagga Researchers - Aakash Singh Bagga, Callum Cuttle & Gabe Strong Thumbnail Designers - Abdallah Rabah & Daniel Ellacott Thumbnail Design Direction - Ben Powell Production Team - Jess Bishop-Laggett, Glen Griffiths, Matthew Cavanagh, Luke Lewis, Anna Milkovic & Justin St-Laurent Executive Producers - Casper Mebius & Derek Muller Additional video/photos supplied by Getty Images, Pond5 and Storyblocks Music from Epidemic Sound


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Skeptics Guide #1098

Live From Madison Wisconsin; Amending the Constitution; News Items: Believing in the Supernatural, Desalinating Water, Superheavy Cosmic Rays, AI Designed Bioweapons; Science or Fiction


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The strange mammal that thinks it's an insect

Another YouTube #shorts from Dr. Joe! Subscribe for more fun science stories. Join us on Patreon! https://patreon.com/itsokaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Facebook https://www.facebook.com/itsokaytobesmartpbs/


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Volcanoes Explained: Crash Course Geology #13

From Krakatoa to Pompeii to Mount Saint Helens, volcanoes can do some major damage. But they’re not just killing machines! In this video we’ll explore one of geology’s hottest creations — how they work, where they come from, and just how dangerous they really are. Introduction: Lake Taupo 00:00 What is a volcano? 1:11 How volcanoes form 3:07 Yellowstone Volcano 5:42 Risk of Eruptions 8:01 Review & Credits 9:57 Sources: https://docs.google.com/document/d/1RpwM8ZQPFk_DkzMJjMdtRrNGrJSNJ7FbgmQybSZ2Cqo/edit?tab=t.0 Check out our CC Geology Extracurricular Playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtOmqnkvEtNVOrm0eaIjFjJ7 *** Support us for $5/month on Patreon to keep Crash Course free for everyone forever! https://www.patreon.com/crashcourse Or support us directly: https://complexly.com/support Join our Crash Course email list to get the latest news and highlights: https://mailchi.mp/crashcourse/email Get our special Crash Course Educators newsletter: http://eepurl.com/iBgMhY Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Mike Cumings, Jr., NassauLinda, Chuck Smith, DexcilaDou, Martin G. Diller, Johnathan Williams, Allison Wood, Katrix , Jason Terpstra, Evan Nelson, Jennifer Wiggins-Lyndall, Dalton Williams, Chelsea S, Matthew Fredericksen, AThirstyPhilosopher ., Michael Maher, Mitch Gresko, Gina Mancuso, Roger Harms, Shruti S, Quinn Harden, Reed Spilmann, Brandon Thomas, Emily Beazley, Rie Ohta, oranjeez, UwU, Elizabeth LaBelle, Leah H., David Fanska, Andrew Woods, Kevin Knupp, Barbara Pettersen, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Tanner Hedrick, Kristina D Knight, Samantha, Krystle Young, Perry Joyce, Scott Harrison, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Duncan W Moore IV, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Pietro Gagliardi, John Lee, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett, Les Aker, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, Triad Terrace, Katie Dean, Jason Buster, Emily T, Stephen McCandless, Thomas, Joseph Ruf, Wai Jack Sin, Ian Dundore, Erminio Di Lodovico, Evol Hong, Tandy Ratliff, Caleb Weeks, Luke Sluder __ Want to find Crash Course elsewhere on the internet? Instagram - https://www.instagram.com/thecrashcourse/ Facebook - http://www.facebook.com/YouTubeCrashCourse Bluesky - https://bsky.app/profile/thecrashcourse.bsky.social CC Kids: http://www.youtube.com/crashcoursekids


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Sovereign Citizen Just Made His Situation So Much Worse And Is Facing LIFE IN PRISON! Pro Se Fail!

Hey guys, and welcome to today's video! Today we have the return of a sovereign citizen that I have covered before, Pablo Forenza. The initial traffic charges he was facing have been dropped, because he is now facing LIFE IN PRISON, facing much worse charges! Previous Forenza hearing - www.youtube.com/watch?v=qd7wkko0MZU My livestream talking about the PPO - www.youtube.com/watch?v=gmZGR-otoJg Lindsey Duneske Playlist - https://youtube.com/playlist?list=PLbne4o_I5IZ0sf-wa_WsX5Gu9sgm8SHbz&si=rg2Ab84SSI7uoGz0 To Support The Channel : Team Skeptic Fund : https://paypal.me/TeamSkepticYT Become A Channel Member : https://www.youtube.com/channel/UCawl3BI9azbMB5DQqJNpRrg/join Join Our Patreon : https://www.patreon.com/TeamSkeptic #Court #CourtCam #TeamSkeptic


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A Mudskipper Looks Like an Evolutionary Glitch | #DeepLook #Shorts

Mudskippers are actually fish, but they sure don't act like it. How did these land-loving creatures carve out a life between sea and shore? Learn more in our episode "This Fish Can Jump Almost as High as You Can" 👉 https://youtu.be/CJl_relCddQ #youtubeshorts #mudskipper #deeplook


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Food Theory: Ice Cream is RUINED

Try OLIPOP: The feel good soda with bold, refreshing flavors made with real ingredients, high fiber and less sugar than traditional soda to support digestive health. Get your free can at https://olipop.yt.link/AUx2KHJ — buy any 2 cans in store and OLIPOP will pay you back for one! Big Ice Cream has been slowly churning away at their product’s quality, and soon, there might not be any ice cream left in the frozen aisle for us to scream about… ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ *Credits:* Writers: Santi Massa, Mike Keenan Editors: Andrew Mejia, Alex "Sedge" Sedgwick, Koen Verhagen Sound Designer: Yosi Berman ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ Need Royalty Free Music for your Content? Try Epidemic Sound. Get Your 30 Day Free Trial Now ► http://share.epidemicsound.com/theFoodTheorists ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ #IceCream #Grocery #Theory #FoodTheory


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