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A form of AIDS exists in cats.

Cats purr at the same frequency as an idling diesel engine, about 26 cycles per second.

Tests done by the Behavioral Department of the Musuem of Natural History conclude that while a dog's memory lasts about 5 minutes, a cat's recall can last as long as 16 hours.

Since cats are so good at hiding illness, even a single instance of a symptom should be taken very seriously.

Female cats are \polyestrous

The oldest cat on record was Crème Puff from Austin, Texas, who lived from 1967 to August 6, 2005, three days after her 38th birthday. A cat typically can live up to 20 years, which is equivalent to about 96 human years.