0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Sound travels about 4 times faster in water than in air.
408
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
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Iron weighs more after it rusts.
16
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79