Up Next
Back to Show
Eons
The 40 Million-Year-Old Ecosystem In Your Mouth
Season 4
Episode 15
The hardened residue scraped off your teeth at the dentist is called your dental calculus, and your dental calculus is the only part of your body that actually fossilizes while you’re alive! And scientists have figured out how to study & trace the evolutionary history of these microbes over tens of millions of years.
Support Provided By
Season
9:19
Where are all the east coast dinosaurs?
10:50
Where did our moon come from? The origin is even stranger than you may imagine.
10:04
The Himalayas changed everything.
11:53
What led to the creation of the trunk?
11:55
What was the first ever drink?
9:45
How did the "false horse," Thoatherium, and its relatives survive?
10:21
Did you know volcanoes created the Atlantic Ocean that we know today?
8:04
Learn about how researchers have discovered a piece of a weird, but critical, time in the deep past…
10:46
Maybe there wasn’t just one so-called "cradle of humankind"?
10:18
How did such a strange plant like cannabis come to be in the first place?
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?