Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
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Dogs have been man's pet for over 14,000 years.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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