Mechanical squirrels, robot lizards jump into research

(AP) -- One gray squirrel, its bushy tail twitching, barked a warning as another scrounged for food nearby. It was an ordinary spring day at Hampshire College, except that the rodent issuing the warning was powered by amps, not acorns.

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<p><a href="http://www.physorg.com/news128959950.html">Mechanical squirrels, robot lizards jump into research</a></p> <p>(AP) -- One gray squirrel, its bushy tail twitching, barked a warning as another scrounged for food nearby. It was an ordinary spring day at Hampshire College, except that the rodent issuing the warning was powered by amps, not acorns. </p>