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Tree Rings Indicate Atlantans Have Unsustainable Water Habits

At the height of the drought that gripped the southeastern United States between 2005 and 2007, the water level of the massive reservoir that provides Atlanta's drinking water dropped 14 feet below normal.

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Giant Eyes Help Colossal Squid Spot Glowing Whales

Giant squid in ice; courtesy of Fir0002/Wikimedia Commons Giant and colossal squid can grow to be some 12 meters long . But that alone doesn’t explain why they have the biggest eyeballs on the planet. At 280 millimeters in diameter, colossal squid eyes are much bigger than those of the swordfish, which at 90 millimeters, measure in as the next biggest peepers.

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Eavesdropping Iguanas Use Mockingbird Calls To Survive

Predator-prey interactions are often viewed as evolutionary arms races; while predators improve their hunting behaviors and their ability to sneak up on their prey, the prey improve upon their abilities to detect and escape from their predators. The problem, of course, is that there is a trade-off between maintaining vigilance – the attention necessary to be consistently aware of others in the environment takes quite a bit of physical and mental energy – and doing all the other things that an animal must do, such as finding its own food.

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`Mass Effect’ Solves The Fermi Paradox?

Who's been munching my galaxy? Right now, all across the planet, millions of people are engaged in a struggle with enormous implications for the very nature of life itself. Making sophisticated tactical decisions and wrestling with chilling and complex moral puzzles, they are quite literally deciding the fate of our existence.

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Illegal Fishing Plunders and Strains West Africa

By Richard Valdmanis and Simon Akam FREETOWN/DAKAR (Reuters) - On a recent mission pursuing pirate fishermen off Sierra Leone's coast, the head of the Fisheries Protection Unit found himself adrift on the high seas with six crew after their rented motorboat ran out of fuel. "We started rationing the food and water," Victor Kargbo said

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Shocking Pink: An Inexpensive Test for Chemical Weapon Attacks

It seems unlikely that the maker of hundred-million-dollar Hollywood blockbusters such as Armageddon and The Transformers could inspire scientists to develop an ultralow-cost tool for quickly sensing airborne chemical weapons . Yet one former University of Michigan at Ann Arbor (U.M.) researcher says his idea to use a nerve-gas antidote to create an inexpensive litmus paper–like nerve-gas sensor emerged shortly after watching The Rock on DVD a few years ago.

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Global Emissions Set to Surge 50 Percent by 2050: OECD

By Nina Chestney LONDON (Reuters) - Global greenhouse gas emissions could rise 50 percent by 2050 without more ambitious climate policies, as fossil fuels continue to dominate the energy mix, the Organization for Economic Cooperation and Development (OECD) said on Thursday. "Unless the global energy mix changes, fossil fuels will supply about 85 percent of energy demand in 2050, implying a 50 percent increase in greenhouse gas emissions and worsening urban air pollution," the OECD said in its environment outlook to 2050.

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How Yoga Might Relieve Stress-Linked Ailments

Yoga and relaxation practices have been around for thousands of years. And modern research suggests that yoga could have a very real impact on many stress-related illnesses, including anxiety, depression and heart disease. [More]

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Spacecraft Aims to Expose Violent Hearts of Galaxies

By Eric Hand of Nature magazine Who would have thought that a ringside seat at some of the Universe's most extreme events could come cheap? But by the standards of space-based astronomy, the NuSTAR telescope that NASA plans to launch as early as this month has a modest budget, US$165 million. [More]

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