Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
According to studies, men change their minds two to three times more often than women.
72
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Nearly 50% of the world's scientists are assigned to military projects.
71
Pure water (H2O) does not conduct electricity on its own.
46
A cesium atom in an atomic clock beats over nine billion times a second.
43