Home / Series / Eons / Aired Order / Season 2021 / Episode 30

The Fossil Record In Your Mouth

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.

English
  • Originally Aired December 9, 2021
  • Runtime 9 minutes
  • Production Code T5yHHZMn8ko
  • Network YouTube
  • Created December 10, 2021 by
    shriek
  • Modified December 11, 2021 by
    shriek