The premier online source for science news since 1996. A service of the American Association for the Advancement of Science. http://www.eurekalert.org en-us Copyright 2013 by the American Association for the Advancement of Science Sat, 25 May 2013 12:16:00 EDT EurekAlert! http://www.eurekalert.org/images/logo.gif http://www.eurekalert.org The premier online source for science news since 1996. A service of the American Association for the Advancement of Science. 1440 webmaster@eurekalert.org (EurekAlert!) Leptospirosis is the world's most common illness transmitted to humans by animals. It's a two-phase disease that begins with flu-like symptoms. If untreated, it can cause meningitis, liver damage, pulmonary hemorrhage, renal failure and death. http://www.eurekalert.org/pub_releases/2013-05/nsf-hdl051413.php Tue, 14 May 2013 00:00:00 EDT http://www.eurekalert.org/pub_releases/2013-05/nsf-hdl051413.php The Arctic was very warm during a period roughly 3.5 to 2 million years ago -- a time when research suggests that the level of carbon dioxide in the atmosphere was roughly comparable to today's -- leading to the conclusion that relatively small fluctuations in carbon dioxide levels can have a major influence on Arctic climate, according to a new analysis of the longest terrestrial sediment core ever collected in the Arctic. http://www.eurekalert.org/pub_releases/2013-05/nsf-crf050913.php Thu, 09 May 2013 00:00:00 EDT http://www.eurekalert.org/pub_releases/2013-05/nsf-crf050913.php Indeed, our bodies aren't perfect. They make mistakes, among them producing toxic chemicals, called oxidants, in cells. We fight these oxidants naturally, and by eating foods rich in antioxidants such as blueberries and dark chocolate. http://www.eurekalert.org/pub_releases/2013-05/nsf-of050313.php Fri, 03 May 2013 00:00:00 EDT http://www.eurekalert.org/pub_releases/2013-05/nsf-of050313.php Predecessors to dinosaurs missed the race to fill habitats emptied when nine out of 10 species disappeared during Earth's largest mass extinction 252 million years ago. http://www.eurekalert.org/pub_releases/2013-04/nsf-wht042913.php Mon, 29 Apr 2013 00:00:00 EDT http://www.eurekalert.org/pub_releases/2013-04/nsf-wht042913.php According to a recent report released by the National Science Foundation, 22 of the nation's 39 federally funded research and development centers employed 3,011 postdocs in 2010, the year the latest data are available. http://www.eurekalert.org/pub_releases/2013-04/nsf-ffr042613.php Fri, 26 Apr 2013 00:00:00 EDT http://www.eurekalert.org/pub_releases/2013-04/nsf-ffr042613.php