Why Do Rabbits Have Large Ears?
Why Do Rabbits Have Large Ears? A rabbit’s ears help in monitoring environment and detect predators. Rabbits can pick up sounds over considerable distances, perhaps up...
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How Do Whales Sleep?
Whales don’t sleep at night as you do. They sleep by taking “half naps” at the water surface for a few minutes at a time when they are tired. Whales seem to be...
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Why Do We Sleep?
No one knows for certain why we sleep, but we all need it. Some researchers think that it provides essential rest for both the body and the mind. During sleep, the body...
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