Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
One barrel of petroleum holds 42 gallons.
20
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
Nylon is made from coal and petroleum.
42
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
For every gallon of sea water, you get more than a quarter pound of salt.
45
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
German chemists made a replica of a trophy the size of one molecule.
68