Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
One third of the electricity produced on earth is used to power electric light bulbs!
75
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
A ball of glass will bounce higher than a ball made of rubber.
73