Dogs have been man's pet for over 14,000 years.
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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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A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
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Sheep, goats, octopuses, and toads have rectangular pupils.
7