The force of a suction cup is calculated using F=AP.
15
One barrel of petroleum holds 42 gallons.
20
Nearly 50% of the world's scientists are assigned to military projects.
71
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Balsa wood is classified as a hard wood!
41
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Most dust particles in your house come from dead skin.
48