4:45
What if we told you that there was a time when oxygen almost wiped out all life on Earth?
5:37
But imagine a time when the Earth looked a little … purple.
5:37
Even in a hellish environment, life found a way.
7:39
More than two billion years ago, a tiny living thing started to live inside another thing.
5:39
Follow the early history of how (and why) sex became a thing.
6:25
The Sudden burst of diversity that marked the dawn of truly complex life on our planet.
11:06
The search for our origins go back to a single common ancestor.
7:29
Where did viruses come from and how did they evolve? Are viruses alive?