Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Nearly 50% of the world's scientists are assigned to military projects.
71
German chemists made a replica of a trophy the size of one molecule.
68
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The average temperature at 40,000 feet above sea level is -60 F.
56
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17