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
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Iron weighs more after it rusts.
16
A ball of glass will bounce higher than a ball made of rubber.
73
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Diamonds can be shattered with a hammer.
-104
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Neanderthal man had a brain capacity 100cc larger than modern man's.
50