What Causes Seasickness?
What Causes Seasickness? Seasickness is a form of motion sickness characterized by a feeling of nausea experienced after spending time on a ship. It is caused by the...
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What Is a Funny Bone?
A “funny bone” is not really a bone at all. It is actually a bundle of nerves that passes near the elbow. We call the whole bundle the “ulnar” nerve. When...
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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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Is Black a Color?
No, black is not a color. It is actually the absence of light, which our brain visualizes to us in some way. White light is a mixture of all the colors in the rainbow....
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Why Older People Lose Their Memory?
Why Older People Lose Their Memory? The stereotype of the old forgetful person whose memory often fails him is widely held, but the reason for its appearance was never...
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