


> The Louvre as it looked as a fort Once, long ago, a king of’ France built a fort to protect himself. Years later, another king of France added more buildings to the fort and turned it into a…

People who live far enough north or far enough south are often treated to a giant “fireworks” display on clear nights. Great sheets of light seem to hang in the sky, rippling and wavering like…

When Rick’s uncle came for his usual Sunday visit, Rick was waiting for him at the door. Uncle Frank was a scientist—an astronomer—and Rick had an important question to ask him. “Uncle Frank,…
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