A cubic yard of air weighs about 2 pounds at sea level.
31
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
One barrel of petroleum holds 42 gallons.
20
Each day, up to 150 species of life become extinct.
-23
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
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
Liquid TIDE laundry detergent glows under a blacklight.
96