Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The bark of an older redwood tree is fireproof.
65
The force of a suction cup is calculated using F=AP.
15
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0