Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
A cesium atom in an atomic clock beats over nine billion times a second.
43
The force of a suction cup is calculated using F=AP.
15
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
Pure water (H2O) does not conduct electricity on its own.
46
Most dust particles in your house are made from dead skin!
67
Aluminum used to be more valuable than gold!
84
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79