Dogs have been man's pet for over 14,000 years.
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The head of a jellyfish is called the "Bell."
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By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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A group of unicorns is called a blessing.
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Bats sleep 18-20 hours per day.
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Dogs sometimes fake being sick to get attention.
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