The Second Time Sponges Took Over The World

Researchers have discovered a piece of a weird, but critical, time in the deep past…a time when the first-ever mass extinction may have turned Planet Earth into Sponge World.

More Episodes

When The Atlantic Ripped Open A Supercontinent

Did you know volcanoes created the Atlantic Ocean that we know today?

No Single Cradle of Humankind

Maybe there wasn’t just one so-called "cradle of humankind"?

The Hazy Evolution of Cannabis

How did such a strange plant like cannabis come to be in the first place?

Other Shows You May Enjoy