A cubic yard of air weighs about 2 pounds at sea level.
31
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A cesium atom in an atomic clock beats over nine billion times a second.
43
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A ball of glass will bounce higher than a ball made of rubber.
73
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The average home creates more pollution than does the average car.
33
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20