4.5 pounds of sunlight strike the Earth each day.
27
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The average home creates more pollution than does the average car.
33
German chemists made a replica of a trophy the size of one molecule.
68
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Most dust particles in your house come from dead skin.
48
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Indoor pollution is 10 times more toxic than outdoor pollution.
62