The Spanish explorers thought pineapple looked like a pine cone, so they called it "pina." The English added "apple" to associate it with juicy delectable fruits. South American Indians had a name for pineapple meaning "fragrant excellent fruit," which became the basis for its botanical name: ananas. The scientific name for pineapple is Ananas Cosmosus.
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Cork comes from the bark of trees. Specifically, it is harvested from the cork tree, which takes more than ten years to produce one layer of cork.
Otto Lilienthal (1848 - 1896), a German inventor, made about 2,000 flights in gliders he had designed and built by himself. He died following a glider crash.
If a pin was heated to the same temperature as the center of the Sun, its heat would set alight everything within 60 miles of it.
In 1861, Eberhard Faber built the first American mass-production pencil factory in New York City. Today, more than half of all pencils come from China. In 2004, factories there turned out 10 billion pencils, enough to ...Read More
The core of a upward lightning stroke is only a few inches across but can carry a current of 100,000 amperes, enough to run nearly 8,000 electric toasters at the same time.
In 1995, each American used an annual average of 731 pounds of paper, more than double the amount used in the 1980s. Contrary to predictions that computers would displace paper, consumption is growing.