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
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The average temperature at 40,000 feet above sea level is -60 F.
56
If the chemical sodium is dropped into water it will immediately and violently explode.
67
One barrel of petroleum holds 42 gallons.
20
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0