Eons S04E11 · How Dogs (Eventually) Became Our Best Friends

Overview

We’re still figuring out the details, but most scientists agree that it took thousands of years of interactions to develop our deep bond with dogs. When did they first become domesticated? Where did this happen? And what did the process look like, in terms of genetics and anatomy?

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Episodes

1. 1 1. That Time the Mediterranean Sea Disappeared2020-01-09 · 10mHow could a body of water as big as the Mediterranean just...disappear? It would take decades and more than 1,000 research studies to even start to figure out the cause -- or cause
2. 2 2. The Neanderthals That Taught Us About Humanity2020-01-16 · 10mThroughout the first half of the 20th century, Neandertals were thought to have been…primitive. Unintelligent, hunched-over cavemen, for lack of a better word. But the discoveries
3. 3 3. The Giant Dinosaur That Was Missing a Body2020-01-28 · 10mFrom end to end, its forelimbs alone measured an incredible 2.4 meters long and were tipped with big, comma-shaped claws. But other than its bizarre arms, very little material from
4. 4 4. How South America Made the Marsupials2020-02-04 · 10mThroughout the Cenozoic Era -- the era we’re in now -- marsupials and their metatherian relatives flourished all over South America, filling all kinds of ecological niches and radi
5. 5 5. A Short Tale About Diplodocus' Long Neck2020-02-11 · 10mLong necks gave sauropods a huge advantage when it came to food, but not in the way you think. And this benefit would allow them to become the biggest terrestrial animals of all ti
6. 6 6. When the Rainforests Collapsed2020-02-19 · 10mThe Carboniferous Rainforest Collapse set the stage for a takeover that would be a crucial turning point in the history of terrestrial animal life. If it weren’t for that time when
7. 7 7. How a Hot Planet Created the World's Biggest Snake2020-02-27 · 10mAbout 59 million years ago, the largest animal lurking in the ancient forests of Colombia by far was Titanoboa - the largest snake ever known. It’s only been in the past few years
8. 8 8. When the Sahara Was Green2020-03-10 · 10mThe climate of the Sahara was completely different thousands of years ago. And we’re not talking about just a few years of extra rain. We’re talking about a climate that was so wet
9. 9 9. When Penguins Went From The Sky To The Sea2020-03-18 · 10mToday, we think of penguins as small-ish, waddling, tuxedo-birds. But they evolved from a flying ancestor, were actual giants for millions of years, and some of them were even dres
10. 10 10. How the Egg Came First2020-03-25 · 10mThe story of the egg spans millions of years, from the first vertebrates that dared to venture onto land to today’s mammals, including the platypus, and of course birds. Like chick
11. 11 11. How Dogs (Eventually) Became Our Best Friends2020-03-31 · 10mWe’re still figuring out the details, but most scientists agree that it took thousands of years of interactions to develop our deep bond with dogs. When did they first become domes
12. 12 12. When a Billion Years Disappeared2020-04-15 · 10mIn some places, the rocks below the Great Unconformity are about 1.2 billion years older than those above it. This missing chapter in Earth’s history might be linked to a fracturin
13. 13 13. The Risky Paleo Diets of Our Ancestors2020-04-22 · 10mWe can track our history of eating just about anything back through the fossil record and see the impact it’s had on our evolution. Throughout time, part of the secret to our succe
14. 14 14. How the Andes Mountains Might Have Killed a Bunch of Whales2020-04-29 · 10mAt a site known as Cerro Ballena or Whale Hill, there are more than 40 skeletons of marine mammals -- a graveyard of ocean life dating back 6.5 million to 9 million years ago, in t
15. 15 15. How Plants Caused the First Mass Extinction2020-05-12 · 10mIn the middle of the Cambrian, life on land was about to get a little more crowded. And those newcomers would end up changing the world. The arrival of plants on land would make th
16. 16 16. The Two Viruses That We’ve Had For Millions of Years2020-05-20 · 10mThere’s one kind of herpesvirus that’s specific to one species of primate, and each virus split off from the herpesvirus family tree when the primate split off from its own tree. B
17. 17 17. How We Identified One of Earth’s Earliest Animals2020-05-28 · 10mScientists had no idea what type of organisms the life forms of the Ediacaran were—lichen, colonies of bacteria, fungi or something else. It turns out, the key to solving the puzzl
18. 18 18. When Dinosaur Look-Alikes Ruled the Earth2020-06-09 · 10mThere were a huge number of croc-like animals that flourished during the Triassic Period. Dinosaurs had just arrived on the scene but it was these animals that truly ruled the Eart
19. 19 19. The World Before Plate Tectonics2020-06-16 · 10mThere was a time in Earth’s history that was so stable, geologists once called it the Boring Billion. But the fact is, this period was anything but boring. In fact, it set the stag
20. 20 20. When Dinosaurs Chilled in the Arctic2020-06-24 · 10mAll told, the Arctic in the Cretaceous Period was a rough place to live, especially in winter. And yet, the fossils of many kinds of dinosaurs have been discovered there. So how we
21. 21 21. How the Walrus Got Its Tusks2020-07-07 · 10mThe rise and fall of ancient walruses, and how modern ones got their tusks, is a story that spans almost 20 million years. And while there are parts of the story that we’re still t
22. 22 22. The Story of the Dino Stampede2020-07-16 · 10mTo try to solve the puzzle of Lark Quarry, experts have turned to a special subfield of paleontology -- paleoichnology, or the study of trace fossils -- to reconstruct exactly what
23. 23 23. The Biggest Frog that Ever Lived2020-07-23 · 10mUntangling the origins of Beelzebufo -- the giant frog that lived alongside the dinosaurs -- turns out to be one of the most bedeviling problems in the history of amphibians.
24. 24 24. The Dinosaur Who Was Buried at Sea2020-08-05 · 10mPaleontologists have been studying these dinosaurs since the 1830s, but nobody had ever found a specimen like Borealopelta before. The key to all of this exceptional preservation w
25. 25 25. How We Figured Out Fermentation2020-08-13 · 10mThanks to a recent adaptation, instead of getting sick from the boozy, fermented fruits, one of our primate ancestors could digest them safely, and get more calories at the same ti
26. 26 26. The Oddest Couple in the Fossil Record2020-08-20 · 10mTo figure out how Thrinaxodon and Broomistega became entombed together, scientists looked at the burrow itself, along with their fossilized bones. And it looks like their luck ran
27. 27 27. How Ancient Art Captured Australian Megafauna2020-09-02 · 10mBeneath layers of rock art are drawings of animals SO strange that, for a long time, some anthropologists thought they could only have been imagined. But what if these animals real
28. 28 28. The Sea Monster from the Andes2020-09-10 · 10mIn 1977, a farmer was plowing his field on a plateau high in the Andes mountains when he stumbled upon a giant fossilized skeleton. How did this giant marine reptile end up high in
29. 29 29. When Rodents Had Horns2020-09-15 · 10mThese odd rodents belong to a genus known as Ceratogaulus, but they’re more commonly called horned gophers, because, you guessed it, they had horns. And it turns out the horns prob
30. 30 30. The First and Last North American Primates2020-09-30 · 10mEarly primates not only lived in North America -- our primate family tree actually originated here! So what happened to those early relatives of ours?
31. 31 31. How Plants Became Carnivores2020-10-07 · 10mHow and why does botanical carnivory keep evolving? It turns out that when any of the basic things that most plants need aren’t there, some plants can adapt in unexpected ways to m
32. 32 32. How Ankylosaurs Got Their Clubs2020-10-13 · 10mWhile clubs are practically synonymous with ankylosaurs, we’ve only started to get to the bottom of how they worked and how this unusual anatomy developed in the first place.
33. 33 33. Why Do Things Keep Evolving Into Crabs?2020-10-28 · 10mFor some reason, animals keep evolving into things that look like crabs, independently, over and over again. What is it about the crab’s form that makes it so evolutionarily succes
34. 34 34. How Plankton Created A Bizarre Giant of the Seas2020-11-10 · 10mAt more than 2 meters long, Aegirocassis was not only the biggest radiodont ever, but it also may have been the biggest animal in the Early Ordovician. This bizarre marine giant ma
35. 35 35. The Rise and Fall of the Tallest Mammal to Walk the Earth2020-11-19 · 10mIt arose from rhino ancestors that were a lot smaller, but Paraceratherium would take a different evolutionary path. Believe it or not, it actually became so big that it probably g
36. 36 36. How Humans Lost Their Fur2020-12-02 · 10mWe’re the only primate without a coat of thick fur. It turns out that this small change in our appearance has had huge consequences for our ability to regulate our body temperature
37. 37 37. When Lizards Took Over the World2020-12-09 · 10mLizards are incredibly widespread and diverse but it took them a long time to get to where they are now. Because they used to face some pretty stiff competition from a group of liz
38. 38 38. When the Earth Suddenly Stopped Warming2020-12-17 · 10mFor decades, scientists have been studying the cause of the Younger Dryas, and trying to figure out if something like it could happen again. And it turns out that what caused this
39. 39 39. The Triassic Reptile With "Two Faces"2020-12-22 · 10mFiguring out what this creature’s face actually looked like would take paleontologists years. But understanding this weird animal can help us shine a light on at least one way for