[SeMissourian.com] Light Rain ~ 67°F  
River stage: 32.41 ft. Falling
Tuesday, May 21, 2013
Vassar College biology and cognitive science professor John Long, right, and two of his students look on April 3 as swimming robots, bottom right, navigate in a science lab pool in Poughkeepsie, N.Y. (Mike Groll ~ Associated Press)