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
Cold water weighs more than hot water.
93
A cubic yard of air weighs about 2 pounds at sea level.
31
Diamonds can be shattered with a hammer.
-104
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15