There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Hot water can freeze faster than cold water.
181
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Cold water weighs more than hot water.
93