Grunge.com
Debra Kelly
Cats, as the old saying goes, were once worshiped as gods and have never allowed the world to forget it. And why not? They're adorable, and who cares if they show a little sociopathic behavior every so often? Cuteness will get you out of a lot, but their standoffish nature and refusal to participate in behavioral studies (like their canine counterparts often do) means that we know surprisingly little about what's going on inside a kitty's mind. We do think that there's quite a lot happening in there, though, because they're just fascinating little heart-stealers. Here's why cats purr, along with other fun feline facts.
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http://www.grunge.com/30608/cats-purr-10-feline-facts/