Install our *FREE* WEB APP! (PWA)
Night mode toggle
Community
© 2025 YubNub Social
About • Directory • Contact Us • Developers • Privacy Policy • Terms of Use • shareasale • FB Webview Detected • Android • Apple iOS • Get Our App
Advertisement
Stop Seeing These Ads
Science Explorer
Science Explorer
8 w

Paleontologists Uncover 465-Million-Year-Old Secret: The True Purpose of the First “Teeth”
Favicon 
scitechdaily.com

Paleontologists Uncover 465-Million-Year-Old Secret: The True Purpose of the First “Teeth”

New fossil research shows that teeth originally evolved as sensory tissue embedded in the armored exoskeletons of ancient fish. Anyone who has ever squirmed through a dental cleaning knows how sensitive teeth can be. This sensitivity provides important feedback about temperature, pressure, and pain as we bite and chew. However, the sensitive tissues inside hard [...]
Latest Products See all
Stop Seeing These Ads