One ragweed plant can release as many as one billion grains of pollen!
51
Indoor pollution is 10 times more toxic than outdoor pollution.
62
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The bark of an older redwood tree is fireproof.
65
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7