Hot water can freeze faster than cold water.
181
The average temperature at 40,000 feet above sea level is -60 F.
56
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
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
Pure water (H2O) does not conduct electricity on its own.
46
Iron weighs more after it rusts.
16