When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
For every gallon of sea water, you get more than a quarter pound of salt.
45
A ball of glass will bounce higher than a ball made of rubber.
73
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9