Scientists aren't sure what color dinosaurs were.
312
Iron weighs more after it rusts.
68
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
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
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
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
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199