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
SCIENCE New research suggests T. rex teeth were probably not protruding fangs, but kept hidden by thin, scaly lips. (Guardian) How did tyrannosaurs use those teeth? Use our archived activity to find out. Teachers, scroll down for a quick list of key resources in our Teachers’ Toolkit. Discussion Ideas New research suggests Tyrannosaurus rex did not have fangs. What are fangs? Fangs are simply long, … Continue reading Pucker Up!
SCIENCE Nature’s latest discovered supermaterial comes from a decidedly modest creature: A type of mollusk found on the rocky shores of western Europe. (Nat Geo News) Take a look at our coloring page to see where limpets live. Teachers, scroll down for a short list of key resources in our Teachers’ Toolkit. Discussion Ideas According to the Nat Geo News article, limpet teeth grow from … Continue reading Limpets Sink Their Teeth In
SCIENCE Today’s biggest flier, the royal albatross, wouldn’t have looked so big compared to Pelagornis sandersi, a giant flying seabird that lived some 25 million years ago and belonged to a family of now-extinct “toothed” birds. (Nat Geo Kids) Read about other “flying monsters” here. Teachers, scroll all the way down for a short list of key resources in our “Teachers’ Toolkit.” Discussion Ideas The … Continue reading Meet the Real ‘Big Bird’
HEALTH Portland Voters Reject Fluoridation, Again For the fourth time since 1956, residents of Portland, Oregon, have rejected a measure to add fluoride to the city’s water supply. This leaves Portland as the largest urban area in the U.S. without fluoridated water. Discussion Ideas: Portland is the largest city in the U.S. without fluoridated water.Why do students think most urban areas invest in fluoridating their … Continue reading Portland Voters Reject Fluoridation, Again