At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Iron weighs more after it rusts.
16
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9