For every gallon of sea water, you get more than a quarter pound of salt.
45
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
One ragweed plant can release as many as one billion grains of pollen!
51
Pure water (H2O) does not conduct electricity on its own.
46
Most dust particles in your house are made from dead skin!
67
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Brass doorknobs automatically disinfect themselves in about 8 hours.
18