“You have pink teeth!” someone said with a giggle. We grinned at each other to show off our rosy-colored teeth. We were elementary school students using “disclosing tablets.” Most of us had teeth the ...

(CN) – Sea urchins’ sharp new teeth are a chip off the old block: Research published Wednesday in the journal Matter confirms how spiny echinoderms sharpen their teeth by breaking them off. “The ...

Sept. 18 (UPI) --The teeth of the pink sea urchin never get dull, according to a new study that determined the creatures boast teeth that sharpen themselves. At the center of the pink sea urchin's ...

Does a white smile mean strong teeth? A dentist explains what the shade of your teeth says about your wellbeing. The rise in products that aim to make our smiles brighter, and new treatments such as ...

Sea urchins have five teeth, each held by a separate jaw in a circular arrangement at the center of their spiked, spherical bodies. Now, researchers have discovered how the teeth of the pink sea ...