There's a difference between knowing that something evolved and understanding why it stuck around. Most of the systems running your body right now weren't designed for the life you're actually living.

Discover 25 Science Facts That Will Amaze You, like why only female mosquitoes bite and how a candle flame contains a million tiny diamonds. Get ready to be amazed by 25 Cool Facts To Brag At A Party!

Ready Jet Go is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

New Cornell University research finds while journalists and professional fact-checkers struggle to keep up with the deluge of misinformation online, sites that rely on loosely coordinated ...