What Are a Cow’s Horns Made Of?
What Are a Cow’s Horns Made Of? Cow horns, found in both sexes, begin growing soon after birth, wear continually, and do not branch. The horn is composed of dermal...
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Why Is Rice Thrown at Weddings?
Why Is Rice Thrown at Weddings? When you throw rice over the bridal couple, you are symbolically, wishing them happiness, prosperity, and many children. The idea is to...
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Did the St. Bernard Rescue Dogs Really Carry Casks of Brandy?
Did the St. Bernard Rescue Dogs Really Carry Casks of Brandy? No. Although you probably have seen pictures of St. Bernard dogs with small brandy casks hanging from...
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Why Do Leaves Turn Brown in the Fall?
Why Do Leaves Turn Brown in the Fall? The leaves of trees turn brown in autumn when they lose a green substance called chlorophyll. All spring and summer the leaves on...
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Who Invented the Yo-Yo?
Who Invented the Yo-Yo? The yo-yo was first used as a toy in ancient Greece. Pieces of ancient Greek pottery show children playing with yo-yos, just like kids do today!...
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How Does a Neon Light Work?
How Does a Neon Light Work? Neon lights contain a special kind of gas that glows when you turn on the electricity. The word Neon finds its origin from the word neos,...
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Why Are Piranha Fish so Dangerous?
Why Are Piranha Fish so Dangerous? In South American Rivers swims one of the world’s most dangerous fish – the piranha. There are many species of piranha; they...
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What Is a School of Fish?
Fish schools are groups of fish that stay together. Each school is made up of one kind, or species, of fish. Some species, like the mackerel, travel together in schools...
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Where Does the Sun Get Its Energy From?
Where Does the Sun Get Its Energy From? Solar energy comes from the energy of atoms that are constantly changing into different forms. The sun looks like a great ball...
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Why Are Dimes Smaller than Pennies?
Dimes are smaller than pennies because the coins’ sizes had to be different in order to match weights and values as the same weight of each metal was worth a...
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