Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Sound travels fifteen times faster through steel than through air.
134
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Iron weighs more after it rusts.
16
A 'jiffy' is an actual unit of time for 1/100th of a second!
66