Out of all the senses, smell is most closely linked to memory.
146
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
4.5 pounds of sunlight strike the Earth each day.
27
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Iron weighs more after it rusts.
16
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7