Latest Issue of Science News


Humane bloodletting

Because mice are so small, sampling their blood in a laboratory isn't easy. Typically, researchers plunge a needle or pipette into the corner of a mouse's eye socket to reach a large vessel behind it. The technique can blind the animal "and is really horrible," says William Golde of the Agriculture Department's Plum Island Animal Disease Center in Orient Point, N.Y. Something better was needed, the immunologist decided.

Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.

This article is available only to subscribing members. Join SSP today or Log in.