Hot water can freeze faster than cold water.
181
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11