Overexpression of a single gene in plants could increase their root growth by 60%, scientists at the University of Connecticut claim in the recent edition of "Science" magazine. "This discovery has the potential to revolutionize agriculture worldwide," claims plant biologist Roberto Gaxiola, who leads the team.</p><p><a href="http://www.eurekalert.org/pub_releases/2005-10/uoc-sdg100405.php">Scientists discover genetic key to growing hardier, more productive plants</a>