Did you know polar bear fur is transparent? Or that gravity is the weakest fundamental force in the universe? How about that single bolt of lightning contains enough energy to to toast about 100,000 slices of bread?
We want YOUR favorite science facts! Tell us the coolest science fact you know. We want your Instagram videos , Vines , and tweets ! Just tag your responses #scienceWOW  to see them published right here!
So tell us: What's the coolest science fact YOU know?