The hum of a hummingbird comes from the super-fast beat of the wings. The smallest ones beat their wings the fastest - up to 80 times per second. Even the slower beat of bigger hummingbirds (20 times per second) is so fast...Read More

Chimpanzees crumble leaves in their mouths to make a type of sponge to sop up water from the hollows in trees when they can't reach the water with their lips.

The word "grease monkey" comes from the person (usually a young boy) that would crawl up in the rafters to grease all of the pulleys and belts that ran all of the equipment in a blacksmith shop or machine shop.

Carl Yastrzemski is the only baseball player to have at least 100 hits in each of his first 20 seasons. At least he had 100 hits every season from 1961 to 1980 when he only earned 83 safeties during the strike-shortened ...Read More

The word "four" has four letters. In the English language there is no other number whose number of letters is equal to its value.

Recycled glass uses only two-thirds the energy needed to manufacture glass from scratch. That means for every soft drink bottle that is recycled, enough energy is saved to run a television set for an hour and a half.