Sometimes the daily rigmarole of life gives us little time to contemplate big questions. And I mean really big questions. Like, how does consciousness work? What happens if you fall into a black hole?

A: Goosebumps, scientifically known as piloerection, occur when tiny muscles called arrector pili contract at the base of ...

Goosebumps, or piloerection, occur as a physiological response triggered by the sympathetic nervous system when individuals experience fear or inspiration. This reaction involves tiny muscles called ...