http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Scaling back mail delivery from six days a week to five may be the best bet to stem mounting U.S. Postal Service losses, but could still be a gamble, says a University of Illinois economist who has studied the agency's persistent financial decline. http://www.physorg.com/news178225816.html Other Sciences Mon, 23 Nov 2009 19:10:59 EST news178225816