Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Liquid TIDE laundry detergent glows under a blacklight.
96
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Balsa wood is classified as a hard wood!
41
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7