The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
One third of the electricity produced on earth is used to power electric light bulbs!
75
The sun is 330,330 times larger than the earth.
75
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Iron weighs more after it rusts.
68
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
