In zero gravity, a candle's flame is round and blue.
16
One ragweed plant can release as many as one billion grains of pollen!
51
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18