Indoor pollution is 10 times more toxic than outdoor pollution.
62
Pumice is the only rock that floats on water.
14
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
A cubic yard of air weighs about 2 pounds at sea level.
31
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
The smell of freshly cut grass is actually a plant distress call.
31
Research indicates that plants grow healthier when they are stroked.
173
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20