Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy ...

A mindless scroll through your camera roll can bring about mixed emotions. You may feel joy and nostalgia when looking back on that super fun friends trip, say, or all those late-night outings from ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...