4.5 pounds of sunlight strike the Earth each day.
27
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The force of a suction cup is calculated using F=AP.
15
No matter how cold it gets, gasoline will not freeze.
107
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
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 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