For every gallon of sea water, you get more than a quarter pound of salt.
45
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
Balsa wood is classified as a hard wood!
41
According to studies, men change their minds two to three times more often than women.
72
A ball of glass will bounce higher than a ball made of rubber.
73
German chemists made a replica of a trophy the size of one molecule.
68
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61