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Not So Spineless

Behaviors we expect from animals—but quirks and personalities? Studies of spiders and insects say maybe

Chad Johnson wants to know what's up with all the black widow spiders. So do plenty of other people who've moved to Phoenix, or managed to be born there, in such numbers that it has become the fifth-most-populous city in the United States. Phoenix residents wonder why the population boom hasn't been limited to people. There, as in some other sunbelt cities, black widows have become the new cockroaches.

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