About Animals

A 250-million-year-old puzzle

Scientists tell us that about 250 million years ago there lived a big reptile called Dimetrodon. It was about as long as a small automobile. It ate smaller reptiles. Dimetrodon had a big fin like a…

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About Me

Bumps, bruises, and blisters

One clay, I got in a fight with another boy and bruised my eye. Sometimes I bump my ankle or my leg or my elbow. The bump pushes a muscle against a bone, and tiny veins and arteries break. I have a…

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Guide to Childcraft

You and your preteen

During their preteen years, boys and girls go through so many changes, both physical and emotional, that growth seems to disor­ganize them rather than improve them. The preteen period is one in which…

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