Back to Show
Eons
When Ichthyosaurs Led a Revolution in the Seas
Season 2
Episode 27
The marine reptiles Ichthyosaurs arose after The Great Dying, which wiped out at least 90 percent of life in the oceans, changing the seas forever and triggering a new evolutionary arms race between predator and prey.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.

9:34
We’re taking a look towards the deep future. After all, the story is far from over.

7:59
When did we start practicing medicine in its varied, complex forms?

9:11
For some, the rise of venomous elapid snakes was an almost apocalyptic catastrophe.

12:07
When you only have fossils, how do you know if a dinosaur is female or male?

11:57
What are animal-like fossils doing in rocks a billion years old?

9:41
Paranthropus lived alongside our ancestors. If we are still here, why aren’t they?

8:42
Exoskeleton fragments may have allowed microbes to sail the ocean and change the world.

10:45
Fire only exists only on Earth because fire can’t exist without life.

7:09
Turns out bats didn’t give us butterflies and we should be thanking bees and beans.

8:58
Graptolites show us how unpredictable the Silurian period really could be.

9:05
How can we figure out when we first started wearing clothes?

7:50
From an evolutionary perspective, is bigger always better?