Research shows the success of a bacterial community depends on its shape.
Professor H. Robert Horvitz meets President George W. Bush during a reception for this year's U.S. Nobel laureates in the Oval Office of the White House on Nov. 18. With them was former President Jimmy Carter (not pictured), who received the Nobel Peace Prize. Horvitz shared the Nobel in physiology or medicine.
A version of this article appeared in MIT Tech Talk on December 4, 2002.