Why Is a Horse Always Mounted from the Left Side?
Why Is a Horse Always Mounted from the Left Side? The custom of mounting and dismounting a horse from the horse’s left side probably started in very olden times,...
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Why Is It Hotter in Summer than in Winter?
Why Is It Hotter in Summer than in Winter? During the summer, the sun shines most directly on the earth, bringing more heat. The earth tilts, or tips, a little to one...
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Why Is the Pipe under the Sink Curved?
Why Is the Pipe under the Sink Curved? The U-shaped pipe under a sink is called a water trap. Every sink, toilet, and bathtub in your house has one. When you pull the...
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How Does an X-ray See Inside You?
The X-ray picture a doctor uses to see inside your body is really a shadow picture of your bones and organs. X-rays are a kind of invisible ray. They are related to...
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Is There a Dog That Can’t Bark?
Is There a Dog That Can’t Bark? Yes, there is one breed of dog, the basenji (buh SEN jee), that you’ll never catch “barking up the wrong tree.” This...
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Why Do Earthworms Come out When It Rains?
Why Do Earthworms Come out When It Rains? Earthworms come to the surface of the ground in heavy rains to avoid being drowned. Earthworms stay underground most of the...
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Would a Chicken’s Egg Break by Squeezing Its Ends?
Would a Chicken’s Egg Break by Squeezing Its Ends? Chicken’s egg can withstand firm pressure exerted on them without shattering. Try breaking an egg by squeezing its...
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How Fast Does Light Travel?
How Fast Does Light Travel? Light travels very fast. In just one second, it goes 186,282 miles (229,792 kilometres), and at this speed takes about eight minutes to...
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How Did Ponies Get Their Name?
How Did Ponies Get Their Name? The word pony started as the Latin word pullus, which meant “a young animal.” Then the word passed into French as poulenet, meaning “a...
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How Did Katydids Get Their Name?
Katydids get their name from how their song sounds: “Katy did, Katy didn’t.” Mostly katydids call only at night producing the repetitive songs that are not...
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