Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
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Rattlesnake mating sessions have been known to last more than 22 hours.
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When cats are happy, they may squeeze their eyes shut.
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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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The colossal squid has the largest eyes in the world.
4