Some sharks can sense a drop of blood from far away.
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Camels have specialized red blood cells that help them survive dehydration.
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The Earth's core generates geothermal heat.
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Grizzly bears can run at speeds over 30 miles per hour.
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The primacy effect describes better recall of early information in a sequence.
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The human brain contains about 86 billion neurons.
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The human brain can process visual information in as little as 13 milliseconds.
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The Moon was formed billions of years ago.
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