A 400-Million-Year-Old Fish Smile Is Changing What We Know About Teeth

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...
The New York Times

Cocofloss Is a Delicious Way to Clean Teeth and Toss (A Little) Less Plastic

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Katie Okamoto Katie Okamoto is an editor focusing on sustainability. She’s ...