The Billy goat urinates all over his belly, chest, and beard to attract a mate. Similarly, a male porcupine sprays his urine in different directions—and when he finds a mate, he urinates all over her.

The United States has five percent of the world's population, but twenty-five percent of the world's prison population.

In 1949, forecasting the relentless march of science, Popular Mechanics said "Computers in the future may weigh no more than 1.5 tons."

AMAZING FACTS