What Is a Meteorite?
What Is a Meteorite? Meteorites begin as bodies of matter traveling at great speed through space. In the solar system there are numberless such bodies, usually chunks...
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Why Are Fertilizers Used on Farms?
Why Are Fertilizers Used on Farms? Fertilizers are used on farms to increase crop yields by ensuring that soils contain the chemical elements required by growing...
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Is Eating Raw Meat Well Tolerated by Humans?
Is Eating Raw Meat Well Tolerated by Humans? If you’ve ever eaten sushi or steak tartare, then you know that it is possible for humans to eat raw meat. These...
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When Does Color Fade?
When Does Color Fade? An article’s color fades when subjected to a chemical reaction in which oxygen is released. This oxygen combines with the natural coloring matter...
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What Is the Strongest Material?
What Is the Strongest Material? In materials, there is usually a trade-off between hardness and brittleness versus ductility and flexibility. The strength of any...
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When Were Video Tapes Introduced?
When Were Video Tapes Introduced? Video tapes were introduced in the years following the Second World War. The idea of storing information on magnetic wire was first...
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Where Is Cobalt Used?
Where Is Cobalt Used? Can you think of any connection between a delicate Ming vase and a nuclear explosion? Difficult, isn’t it? And yet there is a connection in the...
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Why Do Zippers Have Initials Ykk on Them?
Why Do Zippers Have Initials Ykk on Them? The initials YKK stand for Yoshida Kōgyō Kabushiki gaisha (Yoshida Manufacturing Corporation), which was the name of the...
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When Was the First Wrist Watch Made?
When Was the First Wrist Watch Made? The exact time the first wristwatch appeared is not known. The concept of the wristwatch goes back to the production of the very...
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How Can You Remember the Difference Between Annuals and Perennials?
How Can You Remember the Difference Between Annuals and Perennials? Annuals – Plants that perform their entire life cycle from seed to flower to seed within a...
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