Geologist Jim Berkland claims to have a formula that uses animal behavior to accurately forecast earthquakes. <br /><br />From CAN ANIMALS PREDICT DISASTER?, part of Thirteen/WNET New York's NATURE series , airing Sunday, May 13 at 8 p.m. (ET) on PBS (check local listings). For more information, visit <a rel="nofollow" href="http://www.pbs.org/nature">http://www.pbs.org/nature</a>
