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
The average temperature at 40,000 feet above sea level is -60 F.
56
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
No matter how cold it gets, gasoline will not freeze.
107
Balsa wood is classified as a hard wood!
41
In zero gravity, a candle's flame is round and blue.
16
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310