For every gallon of sea water, you get more than a quarter pound of salt.
45
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
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
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
A cubic yard of air weighs about 2 pounds at sea level.
31
A cesium atom in an atomic clock beats over nine billion times a second.
43