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Published 7 years ago by Gozzin with 1 Comments
by Gozzin
7 years ago 1

Tickled Pink: Scientists Have Determined What A Happy Rat Looks Like

By tickling rats and then photographing them, researchers found that a rat's ears are more pinkish and are positioned at a more relaxed angle when it is experiencing positive emotions.

Continue Reading http://www.npr.org

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  • Gozzin
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    I wish I had known this when I had pet rats.

    7 years ago
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