Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
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
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Sound travels about 4 times faster in water than in air.
408