Sound travels fifteen times faster through steel than through air.
134
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
4.5 pounds of sunlight strike the Earth each day.
27
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Billions of neutrinos pass unnoticed through your body every second.
6
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55