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
If two pieces of metal touch in space, they become permanently stuck together.
808
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
The human body contains over a billion miles of DNA.
147
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The sun puts out more power in 1 second than mankind has ever used within human existence.
14