Birthday of Robert E. Lee January 19 Robert E. Lee was one of the greatest generals of all time. He is also one of the best-loved men in the South. In the United States, from 1861 to 1865, there…
All living things—plants, animals, and people—are made of cells. I am made of cells. A cell is the smallest living part of me it is possible to imagine. A cell can be long, short, thin, fat,…
We think of birds as creatures of the air. So it’s always a little surprising to learn that some birds can’t fly. But have you ever heard of a bird that can swim like a fish and stay underwater for…
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