Scientists in Germany have developed a candy that doesn't cause cavities.
11
Cold water weighs more than hot water.
93
Pure water (H2O) does not conduct electricity on its own.
46
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
