One cubic foot of gold weighs more than 1,200 pounds!
78
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Most dust particles in your house are made from dead skin!
67
The average home creates more pollution than does the average car.
33