Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Liquid TIDE laundry detergent glows under a blacklight.
96
One cubic foot of gold weighs more than 1,200 pounds!
78
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Most dust particles in your house are made from dead skin!
67
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11