In zero gravity, a candle's flame is round and blue.
16
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
According to studies, men change their minds two to three times more often than women.
72
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Nearly 50% of the world's scientists are assigned to military projects.
71
For every gallon of sea water, you get more than a quarter pound of salt.
45