Mathemagic

Points and lines

What is this • ? You probably said, “It’s a dot.” Or maybe you said, “It’s a period.” Well, it could be a dot or a period. But to mathematicians, it’s a picture of a point. You probably think of a…

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Crustaceans

Some surprising shrimp

The bandit lay waiting. He wasn’t very big, but he had a pistol cocked and ready! Suddenly, a fish appeared, swimming slowly past the bandit’s hiding place. The bandit’s pistol went off with a loud…

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mollusks

The “two-shelled” ones

The creature lay inside its boxlike shell, with the lid open. From under the lid, a fringe of short, thin tentacles stuck out all around. Among the tentacles gleamed many tiny, round, beautiful blue…

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