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What Are Toenails and Fingernails Made Of?
What Are Toenails and Fingernails Made Of? Fingernails and toenails are special growths of hardened skin cells. Most of the nail is made up
Why Must a Fever Thermometer Be Shaken Each Time It Is Used?
Why Must a Fever Thermometer Be Shaken Each Time It Is Used? A fever thermometer is a special kind of thermometer. It shows whether…
How Did Hockey Get Its Name?
Hockey, perhaps the oldest of all games played with a ball and sticks, seems to have got its name from the Old French word…
Why Does a Whale Spout?
Why Does a Whale Spout? Whales spout "fountains" of steam, which are formed by their breath. Whales breathe through blowholes on the top of
Do Pine and Fir Trees Lose Their Leaves?
Do Pine and Fir Trees Lose Their Leaves? Many trees shed their leaves in the fall. Their branches are bare by the time winter…