A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Iron weighs more after it rusts.
16
The bark of an older redwood tree is fireproof.
65
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The average temperature at 40,000 feet above sea level is -60 F.
56