Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
In zero gravity, a candle's flame is round and blue.
16
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89