Marion Renault • April 8, 2019
They bill themselves as a natural alternative for squeaky-clean, super-white teeth — but should you open wide for charcoal?
Kate Baggaley • April 22, 2013
A new study explains why whales have such unusual teeth
Allison T. McCann • June 8, 2012
This seriously hip new retainer lets you listen to music through your teeth