First Aired: June 22nd, 2017
Status: Continuing
Network: YouTube
Summary: Join hosts Hank Green, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age. The evolutionary history of mammals including humans and other modern species is explored with these amazing paleontology experts.
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Season 2021
Episode 1: What Happened to the World's Biggest Beaver?
Air Date: January 13rd, 2021
Summary: It’s important to us that you understand how big this beaver was. Just like modern beavers, it was semiaquatic -- it lived both on the land and in the water. The difference is that today’s beavers do a pretty special thing - one that the giant beaver probably didn’t, or couldn’t, do.
Episode 2: The Reign of the Hell Ants
Air Date: January 21st, 2021
Summary: This ancient species had the same six legs and segmented body that we’d recognize from an ant today. But it also had a huge, scythe-like jaw and a horn coming out of its head. This bizarre predator belonged to a group known as “hell ants.” But they’re gone now, and we’re still trying to figure out why.
Episode 4: When We First Talked
Air Date: February 11st, 2021
Summary: The evolution of our ability to speak is its own epic saga and it’s worth pausing to appreciate that. It’s taken several million years to get to this moment where we can tell you about how it took several million years for us to get here.
Episode 5: The Return of Giant Skin-Shell Sea Turtles
Air Date: February 17th, 2021
Summary: The biggest turtle ever described wasn’t an ancestor of today’s leatherback turtles or any other living sea turtles. But it looks like there are some things about being a giant, skin-shelled sea turtle that just work, no matter where, or when, you lived.
Episode 6: The Genes We Lost Along the Way
Air Date: February 24th, 2021
Summary: Our DNA holds thousands of dead genes and we’ve only just begun to unravel their stories. But one thing is already clear - we’re not just defined by the genes that we’ve gained over the course of our evolution, but also by the genes that we’ve lost along the way.
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