Factinate on MSN

There's a muscle in your body that scientists say serves no purpose, but every human still has it

Run a finger down the center of the forearm, curl the fingers, and flex the wrist. For many people, a thin cord jumps into ...
Business Insider

This is what happens inside your body when you flex your fingers

Hold your hand in front of you, palm up and fingers splayed. Now bend your fingers at their first joint past the knuckles. Your hand should look a bit like a spider on its back, curling up its legs — ...