Health care

Health Young adults care more about even teeth color than bright white smiles, study finds

Swedish study shows young adults value even tooth color over whiteness, with brown stains judged most unattractive.

Health New light-activated injectable gel heals bone faster and safer Mac Oliveau

Innovations Self-powered sensors transform robotics technology Joshua Shavit

Discoveries Making health care and health outcomes more equitable in the U.S.Rebecca Shavit