My teeth have fallen out at fancy dinners and in public restrooms. They’ve sprinkled from my mouth like enamel confetti before dates, important business meetings and major public speaking engagements.

In the wild, survival is ruthless, but a few of the strongest species show restraint toward humans. Evolutionary biologists suggest that instinct, exposure, and experience shape this avoidance. These ...

Regina Barber and Emily Kwong of NPR's Short Wave talk about the brain benefits of quitting cigarettes, language development in premature babies, and a mysterious imprint in a Chicago sidewalk. Time ...

Time now for our science news roundup from Short Wave. That is NPR's science podcast. I'm joined by the show's two hosts, Regina Barber and Emily Kwong. Hi, you two. EMILY KWONG, BYLINE: Hi, Mary ...