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Associated Press
In this July 13, 2004 photo, Natalie Homza is notified by her new hearing dog Arby that her oven timer is going off during a training exercise in her Shreveport, La., home. In recent years, researchers are finding that thought processes in animals aren't a matter of how closely related they are to humans. You don't have to be a primate to be smart. (AP Photo/The Shreveport Times, shreveporttimes.com, Shane Bevel) MAGS OUT; MANDATORY CREDIT SHREVEPORTTIMES.COM;  NO SALES

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