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In the ongoing war of Homan Beings against Rats, the odds seem to favor the Rats.
Rats multiply so rapidly that a pair could have 15,000 descendants in a year, reports Thomas Y. Canby in the July National Geographic. Besides that, the average rat can:
-wriggle through a hole no larger than a quarter;
-scale a brick wall as though it had rungs;
•swim half a mile, and tread water for three days;
-gnaw through lead pipes and cinder blocks with chisel teeth that exert 24,000 pounds of pressure per square inch;
-survive being flushed down a toilet, and enter buildings by the same route;
-plummet five stories and scurry off unharmed.
Hie Ultimate Parasite “When we speak of rats,” a professor told Canby, “we’re dealing with the most numerous and successful mammals on earth, excepting mily man himself. Unfor
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