How Do Frisbees Fly?
How Do Frisbees Fly? When a Frisbee soars through the air, its spinning motion is what keeps it flying. Operating on the principle of an airfoil — any flying object...
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How Are Peppermint Sticks Made?
How Are Peppermint Sticks Made? To make peppermint candy sticks, sugar and other candy ingredients are cooked in a big pot, then poured onto a table. There the candy...
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What Is Quicksand?
Quicksand is a deep mass of sand so mixed with water that it will not support any weight. It forms when ground water pushes up and mixes into the sand above, making it...
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How Long Would It Take for a Man to Walk Around the Earth?
How Long Would It Take for a Man to Walk Around the Earth? It took four years, 21 million steps and 22 pairs of leather shoes for Dave Kunst to complete his...
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Why Do Geese Fly in a V-shaped Formation?
Why Do Geese Fly in a V-shaped Formation? Migrating Canada geese fly in a wedge, or V-shaped formation, for two reasons. A goose’s eyes are on the sides of its...
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How Does a Seed Become a Tree?
How Does a Seed Become a Tree? Inside a tree seed are the beginnings of the root, trunk, and leaves of a fully grown tree. They form the part of a seed called the...
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What Makes Your Foot Go to Sleep?
What Makes Your Foot Go to Sleep? When you sit with your leg doubled up, you are squeezing the blood vessels in your leg so that the blood can barely pass through them....
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How Did the Armadillo Get Its Name?
How Did the Armadillo Get Its Name? The early Spanish explorers gave the armadillo its name when they first discovered these animals in Mexico in the sixteenth century....
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Where Does Black Pepper Come From?
Where Does Black Pepper Come From? The familiar black pepper we season our food with comes from the dried berries of the pepper vine, which grows in Indonesia and other...
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What Was Derbyshire Neck?
What Was Derbyshire Neck? Derbyshire Neck, also called Goitre, is a swelling of the thyroid gland and is now known to be caused by lack of iodine. It is almost unknown...
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