Yes folks, American women still earn less money than American men. In 1988, the median weekly earnings of full-time female workers in all occupations were 70.2 percent of male workers’ earnings.
Sometimes likened to the shell that covers an egg, the layer of rock or crust that covers the surface of the earth is, on average, 22 miles thick.
Goose bumps are a vestige from the days when humans were covered with hair. When it got cold, the hairs stood on end, creating a trap for air and providing insulation. The hairs have long since disappeared, but in the places where they used to be, the skin still bristles, trying to get warm.
The largest plant in the world is said to be the General Sherman Tree, a giant sequoia in Sequoia National Park, California. The tree is about 272 feet tall and more than 100 feet in circumference. It is about 3,500 years old.
Contrary to dormitory fears, it does not inhibit sexual desire. Instead, saltpeter, or potassium nitrate (KNO3), is a diuretic. Another form of saltpeter is Chile saltpeter, or impure sodium nitrate (NaNO3). Lime, or Norwegian saltpeter, is calcium nitrate. It is used to make explosives.
First used in 1940 by nine-year-old Milton Sirotta, the number googol is the number 1 followed by 100 zeros. It was brought to public attention by Sirotta’s uncle, mathematician Edward Kasner, in his book Mathematics and the Imagination.