When you're literally acting for an invisible audience every day, it's easy to get caught up in observing yourself rather than experiencing life.

Females had a higher body fat if their grandfathers or great-grandfathers began smoking before puberty, according to 30-year-old research.

"[O]ur new understanding has greatly expanded the definition of a potentially habitable world in our Solar System and beyond."

The proliferation of skincare routines on social media highlights the problem of what “good skin” means — and who gets to have it.