Sound travels about 4 times faster in water than in air.
408
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
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The average temperature at 40,000 feet above sea level is -60 F.
56
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21