The bark of an older redwood tree is fireproof.
65
Scientists are now able to grow 'beating' heart tissue in a lab!
162
In zero gravity, a candle's flame is round and blue.
16
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
4.5 pounds of sunlight strike the Earth each day.
27
A cubic yard of air weighs about 2 pounds at sea level.
31
The force of a suction cup is calculated using F=AP.
15
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61