Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Your brain is 80% water.
525
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The bark of an older redwood tree is fireproof.
65
Liquid TIDE laundry detergent glows under a blacklight.
96
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199