A cubic yard of air weighs about 2 pounds at sea level.
31
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The bark of an older redwood tree is fireproof.
65
Iron weighs more after it rusts.
68
Liquid TIDE laundry detergent glows under a blacklight.
96
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Scientists are now able to grow 'beating' heart tissue in a lab!
162
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51