Back to Show
Eons
Something Has Been Making This Mark For 500 Million Years
Season 4
Episode 33
Paleodictyon, a hexagonal-patterned fossil, is a bit of a mystery. We don’t even know if it’s a trace fossil, or the organism itself. So… what could it be?
Support Provided By
8:50
The giant pterosaur's occupied the empty Hateg Island.
9:12
We learn why all mammals today, from humans to bats, have five fingers or fewer.
6:32
With evidence from from art, archaeology, and ancient DNA, we put together horses history.
8:52
Here's why teeth would go on to disappear in some groups of vertebrate.
10:21
Dinosaurs were not just carnivores or herbivores; they were occasional omnivore too.
7:53
The Snake Detection Hypothesis is deeply embedded in primates, including us.
8:06
Around 10,000 years ago, a parasite made a huge leap and found its way to a new host: Us.
8:14
Dental calculus is the only part of your body that actually fossilizes while you're alive!
9:17
Here's why these skilled toolmakers, hunters, and foragers' population disappeared.
10:11
For the first 80 million years of plants' existence, leaves didn't exist. Here's why.