Why Do Planes Fly in a Curve and Not a Straight Line to Their Destination? A Boeing 747 burns over 10 tonnes of fuel every hour and much more when it is climbing up to...
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What Is a Solarium? A solarium may be a sundial. It may also be a terrace, a balcony or a room exposed to the rays of the sun, especially one used for the treatment of...
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How Is Milk Pasteurized? Milk is pasteurized by heating it to a temperature of about 62°Celsius (about 143°Fahrenheit) and then maintaining that temperature for about...
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Who Is a Midwife? A midwife is a professional in midwifery, specializing in pregnancy, childbirth, postpartum, women’s sexual and reproductive health (including...
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Why Do Oil and Water Not Mix? Oil and water do not mix because the molecules (tiny particles) of which they are composed are so different. The molecules in oil are much...
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What Are Uterine Fibroids? Uterine fibroids are lumps that grow on your uterus. You can have them on the inside, on the outside, or in the wall of your uterus. They are...
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What Was an Alchemist? An alchemist was an early student of the science of chemistry who practiced alchemy, a form of science dating back to medieval times that...
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Where Would You Catch Malaria? The most likely places to catch malaria would be in tropical and sub-tropical countries, especially in the forested parts of Central and...
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Why Do We Become Sea-sick? We become sea-sick because our balancing organs, the labyrinthine portions of the inner ear, are disturbed by out-of-level movements, by...
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What Makes You Feel Dizzy? Dizziness most commonly occurs when a person who has been moving around with speed stops suddenly. The sensitive liquid in the inner ear,...
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