A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Hot water can freeze faster than cold water.
181
Out of all the senses, smell is most closely linked to memory.
146
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One cubic foot of gold weighs more than 1,200 pounds!
78