Nearly 50% of the world's scientists are assigned to military projects.
71
No matter how cold it gets, gasoline will not freeze.
107
Sound at the right vibration can bore holes through a solid object.
134
Most dust particles in your house come from dead skin.
48
Hot water can freeze faster than cold water.
181
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
According to studies, men change their minds two to three times more often than women.
72