TOP 100 CAMPING SITES
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| Slo-Mo Flow: Modeling Combustion to Pump Up Engine Efficiency Despite decades of fine-tuning, the average internal combustion engine still converts only about 20 percent of its fuel into power and spews a variety of emissions harmful to people and the environment. [More] rss.sciam.com |
Gray wolf returns to endangered list in northern Midwest After just a couple months off the endangered species list, the gray wolf in the western Great Lakes is back to “threatened” status. A government reversal, not a sudden drop in the 4,000-plus wolf population, put the animals back on the protected list, the Associated Press reports. [More] rss.sciam.com |
Spectacular Distractions Are the Perks of Judgeship The search is on for a candidate for one of the most scenic jobs in American law: magistrate judge for the United States District Court in Yosemite National Park. nytimes.com |
Uncharted waters: Success!? New Clermont voyage showcases student ingenuity as well as green power Editor's Note: A team of Rensselaer Polytechnic Institute students traveled up New York's Hudson River on the New Clermont , a 6.7-meter boat outfitted with a pair of 2.2-kilowatt hydrogen fuel cells to power the boat's motor. The 240-kilometer journey began from Manhattan's Pier 84 on September 21 and concluded October 2 near Rensselaer's campus in Troy, N.Y. This is the fifth and final Scientific American.com blog post chronicling this expedition, called the New Clermont Project. When the crew members of the New Clermont set off from Manhattan, they hoped that by the time they returned to campus they would have notched a victory for green power. The jury is still out on whether the voyage was successful in its ability to use hydrogen as an alternative to gasoline--the boat limped to port last Friday under its own power but one week behind schedule and only after burning through a couple motors . [More] rss.sciam.com |
U.S. Drinking Water Widely Contaminated A three-year study of the nation's drinking water quality has found more than 200 unregulated chemicals in the tap water of 45 states.The Environmental Working Group analysis of 20 million tap water quality tests found a total of 316 contaminants -- including industrial solvents, weed killers, refrigerants and the rocket fuel component perchlorate -- in water supplied to the public between 2004 and 2009. [More] rss.sciam.com |