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Why a Sniff of You Makes Fido Happy

A whiff of an owner's scent may get a dog's tail wagging. Researchers who peeked into the minds of man's best friend with functional magnetic resonance imaging scans found that canines associate pleasure with their owner's scent. The phenomenon, described online this month in Behavioural Processes, may resemble how the hint of a loved one's perfume or cologne can evoke a sense of comfort in humans, National Geographic suggests.

For more on man's best friend, see the Science News team's latest coverage of doggy science.

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