Shell Shock
Why do players very rarely win at the “shell game,” where they have to say which of three shuffled shells covers a pea? Clue: Th
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Shells
Why Do Some Birds Eat Grit?
Why Do Some Birds Eat Grit? Birds which peck grain and other seeds also peck grit to help them to digest these hard foods. Because birds hav
How Can You Tell a Terrapin from a Tortoise?
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Most jewelry is made from precious stones, mined from the earth. But pearls are formed inside the shells of creatures known as pearl oysters
How Do Scallops Swim?
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