PASADENA, California, May 21 (TNSres) -- NASA Jet Propulsion Laboratory issued the following news: * * * NASA-French Satellite Spots Large-Scale River Waves for First Time In a first, researchers from NASA and Virginia Tech used satellite data to measure the height and speed of potentially hazardous flood waves traveling down U.S. rivers. The three waves they tracked were likely caused by extreme rainfall and by a loosened ice jam. While there is currently no database that compiles satellite   more