Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Most dust particles in your house come from dead skin.
48
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Aluminum used to be more valuable than gold!
84