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
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
One barrel of petroleum holds 42 gallons.
20
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Hot water can freeze faster than cold water.
181
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Neanderthal man had a brain capacity 100cc larger than modern man's.
50