One 75-watt bulb gives more light than three 25-watt bulbs.
57
Pumice is the only rock that floats on water.
14
Nearly 50% of the world's scientists are assigned to military projects.
71
Liquid TIDE laundry detergent glows under a blacklight.
96
A cubic yard of air weighs about 2 pounds at sea level.
31
One ragweed plant can release as many as one billion grains of pollen!
51
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42