A ball of glass will bounce higher than a ball made of rubber.
73
Cold water weighs more than hot water.
93
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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Nearly 50% of the world's scientists are assigned to military projects.
71