THIS STORY HAS BEEN FORMATTED FOR EASY PRINTING

Not so alien after all?

If there is life on Mars, a Harvard geneticist thinks it resembles something we already know. Now, he's trying to prove it.

By Gareth Cook
Globe Staff / April 30, 2007

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Since the completion of the human genome project, biologists have been fanning out to study the genetics of virtually every imaginable life form: armadillo, potato, slime mold, various fungi, and many, many others. To this list, Harvard biologist Gary Ruvkun would like to add extraterrestrial life. (Full article: 971 words)

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