Deep brain stimulation — sending electrical signals to specific brain regions — can treat Parkinson's disease and severe depression.
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A humpback whale’s song can last for hours.
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Many deep-sea animals lack strong pigmentation.
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A crocodile can hold its breath underwater for an extended period.
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Coral reefs are built by tiny animals called coral polyps.
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Octopuses can solve simple puzzles and open jars.
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A whale shark is the largest fish in the ocean.
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Somewhere between 50% and 80% of earth's living organisms are in the ocean.
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A group of jellyfish is called a smack.
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