The Return of Giant Skin-Shell Sea Turtles

Eons

17th February 2021 10 mins Season 5 Episode 5

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.

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Season 5 · Episode 6

The Genes We Lost Along the Way

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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