Iron weighs more after it rusts.
16
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
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
One cubic foot of gold weighs more than 1,200 pounds!
78
For every gallon of sea water, you get more than a quarter pound of salt.
45