Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Most dust particles in your house are made from dead skin!
67
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17