The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Sound travels about 4 times faster in water than in air.
408
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
For every gallon of sea water, you get more than a quarter pound of salt.
45
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The average home creates more pollution than does the average car.
33