Eons

E1. How Two Microbes Changed History

10 min

E2. The Time Terror Birds Invaded

10 min

E3. Untangling the Devil's Corkscrew

10 min

E4. The Great Snake Debate

10 min

E5. The Whole Saga of the Supercontinents

10 min

E6. From the Cambrian Explosion to the Great Dying

10 min

E7. How Sex Became a Thing

10 min

E8. The Other Explosion You Should Know About

10 min

E9. How the Turtle Got Its Shell

10 min

E10. What a Dinosaur Looks Like Under a Microscope

10 min

E11. The Most Useful Fossils in the World

10 min

E12. Inside the Dinosaur Library

10 min

E13. What Was the Ancestor of Everything?

10 min

E14. How the Squid Lost Its Shell

10 min

E15. How the Chalicothere Split In Two

10 min

E16. The Age of Reptiles in Three Acts

10 min

E17. The Weird, Watery Tale of Spinosaurus

10 min

E18. From the Fall of Dinos to the Rise of Humans

10 min

E19. That Time It Rained for Two Million Years

10 min

E20. Why Triassic Animals Were Just the Weirdest

10 min

E21. Where Did Viruses Come From?

10 min

E22. When Fish First Breathed Air

10 min

E23. How the T-Rex Lost Its Arms

10 min

E24. FAQs From Our First Year

10 min

E25. When Insects First Flew

10 min

E26. The Mystery of the Eocene’s Lethal Lake

10 min

E27. When Fish Wore Armor

10 min

E28. When Birds Had Teeth

10 min

E29. How Horses Took Over North America (Twice)

10 min

E30. How a Supervolcano Made the Cenozoic’s Coolest Fossils

10 min

E31. The Rise and Fall of the Bone-Crushing Dogs

10 min

E32. Life, Sex & Death Among the Dire Wolves

10 min

E33. When We First Walked

10 min

E34. Did Raptorex Really Exist?

10 min

E35. Can We Get DNA From Fossils?

10 min

E36. When Giant Amphibians Reigned

10 min

E37. Your Place in the Primate Family Tree

10 min

E38. The Two People We're All Related To

10 min

E39. When Rodents Rafted Across the Ocean

10 min

E40. When Birds Stopped Flying

10 min

E41. When Camels Roamed North America

10 min

E42. How Sloths Went From the Seas to the Trees

10 min

E43. When Sharks Swam the Great Plains

10 min

E44. When Apes Conquered Europe

10 min

E45. Why Megalodon (Definitely) Went Extinct

10 min

E1. When Humans Were Prey

10 min

E2. How Blood Evolved (Many Times)

10 min

E3. The Humans That Lived Before Us

10 min

E4. The Island of Shrinking Mammoths

10 min

E5. The Evolution of the Heart (A Love Story)

10 min

E6. How 7,000 Years of Epic Floods Changed the World

10 min

E7. The Island of Huge Hamsters and Giant Owls

10 min

E8. The Giant Bird That Got Lost in Time

10 min

E9. When We First Made Tools

10 min

E10. When Giant Scorpions Swarmed the Seas

10 min

E11. When We Tamed Fire

10 min

E12. The Mystery Behind the Biggest Bears of All Time

10 min

E13. The Croc That Ran on Hooves

10 min

E14. When We Took Over the World

10 min

E15. The Ghostly Origins of the Big Cats

10 min

E16. The History of Climate Cycles (and the Woolly Rhino) Explained

10 min

E17. The Hellacious Lives of the "Hell Pigs"

10 min

E18. How Evolution Works (And How We Figured It Out)

10 min

E19. When the Synapsids Struck Back

10 min

E20. When Ichthyosaurs Led a Revolution in the Seas

10 min

E21. When We Met Other Human Species

10 min

E22. How Volcanoes Froze the Earth (Twice)

10 min

E23. How Earth's First, Unkillable Animals Saved the World

10 min

E24. When Giant Deer Roamed Eurasia

10 min

E25. Was This Dinosaur a Cannibal?

10 min

E26. The Missing Link That Wasn’t

10 min

E27. The Raptor That Made Us Rethink Dinosaurs

10 min

E28. When Bats Took Flight

10 min

E29. How Pterosaurs Got Their Wings

10 min

E30. When Giant Lemurs Ruled Madagascar

10 min

E31. When Antarctica Was Green

10 min

E32. The Case of the Dinosaur Egg Thief

10 min

E33. When Hobbits Were Real

10 min

E34. Were These Monsters Inspired by Fossils?

10 min

E35. How We Domesticated Cats (Twice)

10 min

E36. When Giant Hypercarnivores Prowled Africa

10 min

E37. Why Male Mammoths Lost the Game

10 min

E38. The Forgotten Story of the Beardogs

10 min

E39. The Fuzzy Origins of the Giant Panda

10 min

E1. That Time the Mediterranean Sea Disappeared

10 min

E2. The Neanderthals That Taught Us About Humanity

10 min

E3. The Giant Dinosaur That Was Missing a Body

10 min

E4. How South America Made the Marsupials

10 min

E5. A Short Tale About Diplodocus' Long Neck

10 min

E6. When the Rainforests Collapsed

10 min

E7. How a Hot Planet Created the World's Biggest Snake

10 min

E8. When the Sahara Was Green

10 min

E9. When Penguins Went From The Sky To The Sea

10 min

E10. How the Egg Came First

10 min

E11. How Dogs (Eventually) Became Our Best Friends

10 min

E12. When a Billion Years Disappeared

10 min

E13. The Risky Paleo Diets of Our Ancestors

10 min

E14. How the Andes Mountains Might Have Killed a Bunch of Whales

10 min

E15. How Plants Caused the First Mass Extinction

10 min

E16. The Two Viruses That We’ve Had For Millions of Years

10 min

E17. How We Identified One of Earth’s Earliest Animals

10 min

E18. When Dinosaur Look-Alikes Ruled the Earth

10 min

E19. The World Before Plate Tectonics

10 min

E20. When Dinosaurs Chilled in the Arctic

10 min

E21. How the Walrus Got Its Tusks

10 min

E22. The Story of the Dino Stampede

10 min

E23. The Biggest Frog that Ever Lived

10 min

E24. The Dinosaur Who Was Buried at Sea

10 min

E25. How We Figured Out Fermentation

10 min

E26. The Oddest Couple in the Fossil Record

10 min

E27. How Ancient Art Captured Australian Megafauna

10 min

E28. The Sea Monster from the Andes

10 min

E29. When Rodents Had Horns

10 min

E30. The First and Last North American Primates

10 min

E31. How Plants Became Carnivores

10 min

E32. How Ankylosaurs Got Their Clubs

10 min

E33. Why Do Things Keep Evolving Into Crabs?

10 min

E34. How Plankton Created A Bizarre Giant of the Seas

10 min

E35. The Rise and Fall of the Tallest Mammal to Walk the Earth

10 min

E36. How Humans Lost Their Fur

10 min

E37. When Lizards Took Over the World

10 min

E38. When the Earth Suddenly Stopped Warming

10 min

E39. The Triassic Reptile With "Two Faces"

10 min

E1. What Happened to the World's Biggest Beaver?

10 min

E2. The Reign of the Hell Ants

10 min

E3. The Pandemic That Lasted 15 Million Years

10 min

E4. When We First Talked

10 min

E5. The Return of Giant Skin-Shell Sea Turtles

10 min

E6. The Genes We Lost Along the Way

10 min

E7. Our Bizarre, Possibly Venomous, Relative

10 min

E8. How Worm Holes Ended Wormworld

10 min

E9. How Humans Became (Mostly) Right-Handed

10 min

E10. How Chilis Got Spicy (and Why We Love the Burn)

10 min

E11. How To Survive the Little Ice Age

10 min

E12. When Crocs Thrived in the Seas

10 min

E13. When Trees Took Over the World

10 min

E14. How Weasels Got Skinny

10 min

E15. Where Are All The Squid Fossils?

10 min

E16. Did These Giant Sloths Poop Themselves to Death?

10 min

E17. The Traits That Spawned the Age of Mammals

10 min

E18. The Island of the Last Surviving Mammoths

10 min

E19. Where Are All the Medium-Sized Dinosaurs?

10 min

E20. How the Starfish Got Its Arms

10 min

E21. The Creature That Stumped Darwin

10 min

E22. How Pollination Got Going Twice

10 min

E23. How a Supervolcano Ignited an Evolutionary Debate

10 min

E24. How a Mass Extinction Event Created the Amazon

10 min

E25. When Mammals Only Went Out At Night

10 min

E26. How Ancient Whales May Have Changed the Deep Ocean

10 min

E27. How Dinosaurs Coupled Up

10 min

E28. When It Was Too Hot for Leaves

10 min

E29. Why The Paleo Diet Couldn't Save The Neanderthals

10 min

E30. The Fossil Record In Your Mouth

10 min

E31. When Pterosaurs Walked

10 min

E1. How our deadliest parasite turned to the dark side

10 min

E2. Primates vs Snakes (An Evolutionary Arms Race)

10 min

E3. How the Rise of Social Insects Shrunk These Dinosaurs

10 min

E4. How Vertebrates Got Teeth... And Lost Them Again

10 min

E5. How Horses Went From Food To Friends

10 min

E6. Why We Only Have Ten Toes (It's a Long Story)

10 min

E7. Sharks nearly went extinct 19 million years ago #shorts

1 min

E8. Dire wolves aren’t wolves at all #shorts

1 min

E9. Could humans survive if they traveled back in time 3 billion years? #shorts

1 min

E10. Some trees are more closely related to broccoli than to other trees #shorts

1 min

E11. Human knees are the worst and we have evolution to thank for that #shorts

1 min

E12. A crater in Turkmenistan has been on fire for about 50 years #shorts

1 min

E13. When a Giant Pterosaur Ruled the European Islands

10 min

E14. Only one human has been excavated from the La Brea Tar Pits #shorts

1 min

E15. Could humans survive a giant space rock colliding with Earth 66 million years ago? #shorts

1 min

E16. The Sudden Rise of the First Colossal Animal

10 min

E17. The Tasmanian tiger is definitely extinct. So why do people keep report sightings of them? #shorts

1 min

E18. The Extreme Hyenas That Didn't Last

10 min

E19. Who forged one of the most famous fake fossils of all time? #shorts

1 min

E20. After this bird went extinct the first time, evolution just hit replay #shorts

1 min

E21. Someone lost the only fossil from what might’ve been the biggest dinosaur ever #shorts

1 min

E22. Would you have survived the biggest mass extinction of all time? #shorts

1 min

E23. An ancient insect trapped in amber has a parasitic mushroom erupting out of it? #shorts

1 min

E24. How the Smallest Animal Got So Simple

8 min

E25. We know a lot about dinosaurs but...what was the first dinosaur? #shorts

1 min

E26. Why Sour May Be The Oldest Taste

8 min

E27. The Ancient Human Species With A Missing Body

10 min

E28. Are there dinosaur fossils in space? #shorts

1 min

E29. Why don’t rabbits get really, really big? #shorts

1 min

E30. An extinct human species was discovered deep within a cave system #shorts

1 min

E31. When Ants Domesticated Fungi

10 min

E32. The Curious Case of the Cave Lion

9 min

E33. Is This The Oldest Dad In The Fossil Record?

8 min

E34. Why did so many predators die at the Cleveland-Lloyd Dinosaur Quarry? #shorts

1 min

E35. What is the most successful human species? #shorts

1 min

E36. Sharks have antibacterial skin. Can we use that to save lives? #shorts

1 min

E37. This Ice Age pup's last meal was a woolly rhino #shorts

1 min

E38. What came first, the sabertooth or the cat? #shorts

1 min

E39. How To Build A Woolly Mammoth (But Should We?)

8 min

E40. Something Has Been Making This Mark For 500 Million Years

11 min

E41. Giant Viruses Blur The Line Between Alive and Not

10 min

E42. This new giant bacterium is visible to the naked eye #shorts

1 min

E43. Another Spinosaurus study, another opportunity to debate if Spinosaurus was aquatic #shorts

1 min

E44. There were dinosaurs with basically no arms at all, just hands! #shorts

1 min

E45. When Giant Millipedes Reigned

8 min

E46. How Plate Tectonics Transformed Los Angeles

14 min

E47. Why Does Caffeine Exist?

11 min

E48. This was the biggest earthquake humans ever experienced #shorts

1 min

E49. Someone stole two of the most important documents in the history of science #shorts

1 min

E50. You can thank evolution for flesh-eating bees #shorts

1 min

E51. This is one of the oldest art workshops ever discovered! #shorts

1 min

E52. Did An Ancient Pathogen Reshape Our Cells?

9 min

E53. How Whale Evolution Kind Of Sucked

11 min

E54. The Fungi That Turned Ants Into Zombies

9 min

E55. Did you know that fossils can get sick? #shorts

1 min

E56. A supervolcano in Idaho once caused a disaster 900 miles away. #shorts

1 min

E57. A bunch of very important fossils disappeared during WWII. #shorts

1 min

E58. Did this animal poop cubes? Giant cubes? #shorts

1 min

E59. Are wisdom teeth a problem for us because of evolution? Or because of our development? #shorts

1 min

E60. Our extinct relative was an ancient leopard’s lunch. #shorts

1 min

E61. When did we start wearing clothes? #shorts

1 min

E62. Did Megalodon go after whale faces specifically? #shorts

1 min

E63. Where Did Water Come From?

12 min

E64. Our Ancient Relative That Said 'No Thanks' To Life On Land

10 min

E65. Imagine a cat's mouth fully covering up their saber teeth. #shorts

1 min

E66. Darwin correctly predicted an animal existed without ever seeing it. #shorts

1 min

E67. Neandertals weren’t dumb cavemen. In lots of ways, they were just like us. #shorts

1 min

E68. Here are two ways to get a fossil species named after you. #shorts

1 min