One third of the electricity produced on earth is used to power electric light bulbs!
75
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Sound travels about 4 times faster in water than in air.
408
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
4.5 pounds of sunlight strike the Earth each day.
27
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
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118