A cubic yard of air weighs about 2 pounds at sea level.
31
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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
According to studies, men change their minds two to three times more often than women.
72
The storage capacity of human brain exceeds 4 Terrabytes.
140
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Neanderthal man had a brain capacity 100cc larger than modern man's.
50