Pumice is the only rock that floats on water.
14
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Nylon is made from coal and petroleum.
42
One ragweed plant can release as many as one billion grains of pollen!
51
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199