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Octopuses and squid are damaged by noise pollution

Not only can squids and octopuses sense sound, but as it turns out, these and other so-called cephalopods might be harmed by growing noise pollution in our oceans--from sources such as offshore drilling, ship motors, sonar use and pile driving. [More]

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Is Fukushima really as bad as Chernobyl?

One month to the day after the devastating twin blows of a 9.0-magnitude earthquake and subsequent 15-meter tall tsunami, Japanese officials have reclassified the accident at the Fukushima Daiichi nuclear power plant at the highest possible level. The partial meltdown of three reactors and at least two spent fuel pools, along with multiple hydrogen explosions at the site now rate a 7 on the International Nuclear Event Scale--a level previously affixed only to the meltdown and explosion at Chernobyl

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Radiation Release Will Hit Marine Life

By Quirin Schiermeier of Nature magazine As radioisotopes pour into the sea from the crippled Fukushima Daiichi nuclear plant, one reassuring message has been heard over and over again: the Pacific Ocean is a big place. That the isotopes will be vastly diluted is not in question

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Japan Faces Low-Carbon Power Struggle

By Jeff Tollefson of Nature magazine The disaster at Japan's Fukushima nuclear power plant is putting the nation's ambitious plans to reduce carbon emissions under serious pressure. [More]

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Slow and steady (almost) wins the race

The "Inventions" section of the December 27th, 1919, issue of Scientific American featured a new model of the bicycle invented by Mr. C. H

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How Self-Control Works

The scientific community is increasingly coming to realize how central self-control is to many important life outcomes. We have always known about the impact of socioeconomic status and IQ, but these are factors that are highly resistant to interventions. In contrast, self-control may be something that we can tap into to make sweeping improvements life outcomes

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Audio Alchemy: Getting Computers to Understand Overlapping Speech

The year is 1974, and Harry Caul is monitoring a couple walking through a crowded Union Square in San Francisco. He uses shotgun microphones to secretly record their conversation, but at a critical point, a nearby percussion band drowns out the conversation

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Munching Microbe Rules Methane Production

Landfills produce methane--which can be valuable as an energy source. But scientists haven’t known why landfills make so much methane. The solid waste in landfills is typically at a pH that’s considered too acidic to host methanogens, methane-producing microbes

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Maryn McKenna answers questions about antibiotic resistance

Award-winning science journalist Maryn McKenna participated in a live online chat about antibiotic resistance with Scientific American 's Facebook page fans on April 11. Fingers flew fast as dozens of participants peppered McKenna with comments and questions about her story, " The Enemy Within: A New Pattern of Antibiotic Resistance ," in our April issue, and related topics. [More]

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