Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
4.5 pounds of sunlight strike the Earth each day.
27
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
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
Sound travels about 4 times faster in water than in air.
408
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21