Your Tooth Enamel Might Have Started As Fish Scales

SCIENCE Your pearly white smile has a fishy origin story. And no, we’re not referring to your overuse of tooth whitening products. Actual fish were involved, millions of years ago. (Popular Science) How do teeth help identify people’s origins? Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. Discussion Ideas The Popular Science article says enamel is only found in … Continue reading Your Tooth Enamel Might Have Started As Fish Scales