The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The average home creates more pollution than does the average car.
33
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
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
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108