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'''Cats''' are a group of [[carnivore|carnivorous]] [[mammals]] with sharp [[teeth]] and retractable claws (except in the case of the [[cheetah]]) on their paws, originally distributed worldwide apart from [[Australasia]], [[Madagascar]] and [[Antarctica]]. Several of the larger kinds of cat can be dangerous to humans.<ref>"Cat."  ''Encyclopedia Britannica Online''.</ref>

'''Cats''' are a group of [[carnivore|carnivorous]] [[mammals]] with sharp [[teeth]] and retractable claws (except in the case of the [[cheetah]]) on their paws, originally distributed worldwide apart from [[Australasia]], [[Madagascar]] and [[Antarctica]]. Several of the larger kinds of cat can be dangerous to humans.<ref>"Cat."  ''Encyclopedia Britannica Online''.</ref>

In culture, cats are the topic of one of the longest-running [[Broadway]] musicals, entitled "Cats", which was based on [[T.S. Eliot]]'s collection of poems entitled ''Old Possum's Book of Practical Cats'' (1939).

In culture, cats are the topic of one of the longest-running [[Broadway]] musicals, ''Cats'', which was based on [[T.S. Eliot]]'s collection of poems entitled ''Old Possum's Book of Practical Cats'' (1939).

The [[domestic cat]], believed to derive from the [[Africa]]n wildcat, has been used to control [[vermin]] or kept as a pet for thousands of years, and worshiped as a god by the ancient [[Egyptian]]s, amongst others. Today, the domestic cat, sometimes affectionately known as a kitten when it is young, remains extremely popular as a [[pet]]; there are an estimated 76 million pet cats in the [[United States]].<ref>''Taxonomy and Biology''.  Pearson Press.</ref>

The [[domestic cat]], believed to derive from the [[Africa]]n wildcat, has been used to control [[vermin]] or kept as a pet for thousands of years, and worshiped as a god by the ancient [[Egyptian]]s, amongst others. Today, the domestic cat, sometimes affectionately known as a kitten when it is young, remains extremely popular as a [[pet]]; there are an estimated 76 million pet cats in the [[United States]].<ref>''Taxonomy and Biology''.  Pearson Press.</ref>