More Blogs - December 2011
Of rats and men
Scientists have long experimented on mice and rats to test new drugs and treatments for human illnesses.
Tags: Fitness & Health
Downsize and do good
Shera, a lioness at the National Zoo, swipes a paw across a swirl of blue paint. Her claw punctures the paper. A volunteer quickly pulls the “painting” out of her enclosure before she can take a bite out of it, as lion cub Baruti likes to do with his artwork.
Tags: Careers & Volunteers
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