It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
There are approximately three chickens for every human on Earth.
13
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Ants make up 1/10 of the total world animal tissue. The total biomass of all the ants on Earth is about equal to the total biomass of all the people.
85
A single speck of dust is half way in size between a subatomic particle and the Earth.
15