Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Iron weighs more after it rusts.
16
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Pure water (H2O) does not conduct electricity on its own.
46