One 75-watt bulb gives more light than three 25-watt bulbs.
57
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
One ragweed plant can release as many as one billion grains of pollen!
51