The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Sound travels about 4 times faster in water than in air.
408
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
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
