The average home creates more pollution than does the average car.
33
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Pure water (H2O) does not conduct electricity on its own.
46