America.gov - Article Alert - Global Challenges http://www.america.gov Underwater: It’s Not Just About Mortgages http://ow.ly/6eDF Think global warming’s a problem where you live? The Maldives may resettle its entire population. Mon, 11 May 2009 03:49:15 -0400 http://ow.ly/6eDF Worse than swine flu? http://ow.ly/6eOH H1N1 bad? Here are five worse. Mon, 11 May 2009 03:51:17 -0400 http://ow.ly/6eOH Spooky Atoms http://ow.ly/5jCF Latest from the world of quantum physics: atoms behave in "spooky" ways. Fri, 08 May 2009 03:09:06 -0400 http://ow.ly/5jCF The Old Gray Kilo ain’t what it used to be http://ow.ly/5OK6 The International Prototype Kilogram is getting lighter – no one knows why. Fri, 08 May 2009 03:11:20 -0400 http://ow.ly/5OK6