Scientists aren't sure what color dinosaurs were.
312
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Liquid TIDE laundry detergent glows under a blacklight.
96
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Pumice is the only rock that floats on water.
14
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Aluminum used to be more valuable than gold!
84