Public access radio that connects community members to one another and the world
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations
We made our $120,000 goal! A huge Thank You to everyone who donated during our Fall Fund Drive.

The origin of the chew: When did we learn to eat like this?

It's likely you've already chewed and swallowed some tasty morsel today. But when did that ability emerge? New evidence points to at least the middle Jurassic, back when dinosaurs still reigned.

Copyright 2026 NPR

Ari Daniel is a freelance contributor to NPR's Science desk.