CONTAINING LINKS TO 1280 STORIES FROM THE NETWORKS' NIGHTLY NEWSCASTS
     COMMENTS: LETíS GO TO THE VIDEOTAPE

The pictures ABC's Robert Krulwich displayed were far from mawkish. Robert Lu a professor of life sciences at Harvard University, decided that textbooks do not work for teaching biology in human cells. Instead he had XVIVO create an animated video showing how proteins organize to build our body.

Check out how the motor protein drags the membrane sack.

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