Why does a magnet pick up a paper clip but not a leaf or a penny? How can t...More
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Female frogs lay eggs in the water, but what hatches isn't a frog yet-it's ...More
Named a Best Children's Science Book of the Year by Science Books & Films, ...More
A house is a home for you, a nest is a home for a bird, and a cave is a hom...More
You can't breathe underwater, but a fish can. You can't eat underwater, but...More
Read and find out about one of nature's most mysterious forces-the earthqua...More
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What do you and a tuna have in common? You are both part of a food chain th...More
Accompanied by NASA photographs and Dorross colorful, lively drawings, the ...More
