The force of a suction cup is calculated using F=AP.
15
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
Each day, up to 150 species of life become extinct.
-23
Pure water (H2O) does not conduct electricity on its own.
46
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Research indicates that plants grow healthier when they are stroked.
173