Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
No matter how cold it gets, gasoline will not freeze.
107
Balsa wood is classified as a hard wood!
41
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
Out of all the senses, smell is most closely linked to memory.
146
For every gallon of sea water, you get more than a quarter pound of salt.
45
Billions of neutrinos pass unnoticed through your body every second.
6