Where Does Coffee Come From?
Coffee comes from the coffee tree, which grows in such warm lands as Brazil and Central America. The trees bear red berries, and each berry contains two coffee beans....
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How Does a Car Engine Work?
How Does a Car Engine Work? A car engine works by burning a mixture of gasoline and air inside a cylinder. When the engine is turned on, gasoline first goes into a...
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Why Do Flowers Have Different Colors and Smells?
Why Do Flowers Have Different Colors and Smells? A flower’s color and scent attract insects and birds to aid in the flower’s pollination. Flowers that...
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What Is a Cold-blooded Animal?
What Is a Cold-blooded Animal? Many animals such as fish, frogs, snakes and lizards are often called “cold-blooded,” as opposed to “warm-blooded” mammals and birds....
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What Recipes Can You Make with Rutabagas?
What Recipes Can You Make with Rutabagas? Historians believe rutabagas developed in Bohemia in the 17th century. In addition to being a food for humans, rutabagas were...
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What Is a Jerboa and How Far Can It Jump?
What Is a Jerboa and How Far Can It Jump? Jerboa is a small, jumping rodent of the family Dipodidae, found in arid parts of Asia, N Africa, and SE Europe. There are...
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How Did the Grapefruit Get Its Name?
How Did the Grapefruit Get Its Name? The grapefruit gets its name because it often grows in a large cluster resembling a bunch of grapes. Sometimes as many as a dozen...
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How Old Is the Game of Bowling?
Bowling is an ancient sport. The Egyptians played a game similar to bowling about seven thousand years ago by rolling stone balls against pieces of stone set up as pins...
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What Do We Mean by a Water Table?
Not far below the surface of the land there is a zone where the soil is saturated (filled) with water. The topmost level of this saturated zone is called the water...
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What Do A.M. And P.M. Mean?
“A.M.” and “P.M.” are the expressions we use to indicate before noon and after noon. They are abbreviations for “ante meridiem” and “post meridiem.” In timekeeping, the...
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