TOP 100 CAMPING SITES
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| Whither the Oil Age? 150 years of black gold The American age of oil began 150 years ago today. Or, if you prefer the phrasing of President George W. Bush, the U.S. addiction to oil can be traced back to the original pusher "Colonel" Edwin Drake who began producing oil from the first commercial well near Titusville, Pa., (about 100 miles north of Pittsburgh). [More] rss.sciam.com |
Capturing Carbon Dioxide That's the sound of clean coal. Well, cleaner coal. A relatively small unit attached to the smokestack at the Mountaineer Power Plant in West Virginia is capturing some 1.5 percent of the carbon dioxide the coal-fired plant would otherwise belch into the sky. The loud thrum comes from the whirring of fans that cool the flue gas and the jostling of an agitator that keeps things moving in the tower where the reaction to actually capture the CO 2 takes place. There’s also the chug of the compressor, which turns the odorless, colorless greenhouse gas into a milky liquid at 1,400 pounds per square inch (psi). [More] rss.sciam.com |
Run Down: Dams, Pollution Reduce West Coast Salmon Numbers Dear EarthTalk: What is the story with west coast salmon runs? I've heard conflicting reports in regard to whether the fish are abundant or going extinct. --Rebecca Shur, Kirkland, Wash. [More] rss.sciam.com |
Recommended: Rare: Portraits of America's Endangered Species Rare: Portraits of America’s Endangered Species by Joel Sartore. National Geographic Focal Point, 2010 [More] rss.sciam.com |
MIND Reviews: Philosophy Meets Neuroscience Do we have free will? Is there meaning to life? A slew of new books provide some insights into how scientists are supplementing Plato with PET scans, hoping to answer these questions.In My Brain Made Me Do It: The Rise of Neuroscience and the Threat to Moral Responsibility (Prometheus Books, 2010), Eliezer J. Sternberg examines studies that pinpoint areas of the brain associated with exercising free will and suggests that our ability to decide makes us largely responsible for our actions. [More] Philosophy - Free will - Moral responsibility - Brain - Philosophy of Mind rss.sciam.com |