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How Dangerous Is It to Use Cyanide to Catch Fish?

Dear EarthTalk : I heard of a practice called cyanide fishing, which is used mostly to collect aquarium specimens, but I understand it is also used to catch fish we eat. Isn’t this very unhealthy? --Phil Seymour, Albany, N.Y.

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Garbage in, Energy out: Turning Trash into Biofuel

Edmonton is Canada's chief oil city as well as the capital of Alberta, the province that hosts the bulk of the country's tar sands . Given the expense of converting this mix of dirt and heavy oils to more usable petroleum products, the province is not keen on alternative fuels.

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Thinking of Firing an Employee Over a Tweet?

The short answer: When you're prepared to accept it's a risk. Should you —can you?—fire employees for complaining about work-related issues online

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Get Your Iceberg Water, Here

There’s something about the idea of towing an iceberg from sea to sea that appeals to one’s inner mad scientist (or rather, mad engineer). [More]

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The Best Start-up Advisors Are in the Trenches

One of the perennial pieces of advice I get as a new entrepreneur is to put together a board of advisors or get a circle of mentors. I’ve found this doesn’t really require well-connected folks with the word chief in their titles. What I really benefit from is practical advice on how to do things I don’t know how to do

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The False Promise of Biofuels (preview)

Range fuels was a risky but tantalizing bet. The high-tech start-up, begun by former Apple executive Mitch Mandich, attracted millions of dollars in private money plus commitments for up to $156 million in grants and loans from the U.S. government.

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Road Work Can Spread Invasive Species

Invasive species get a bad rap--but we humans are usually to blame for their spread. Take Japanese Stiltgrass, an invasive that arrived from Asia nearly 100 years ago as a packing material for porcelain. When it creeps into forests, it forms dense carpets that can choke out native tree seedlings

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NASA Rover Nears Rim of Giant Crater on Mars

NASA's Mars rover Opportunity is just days away from arriving at the edge of a huge crater after a years-long trek on the Red Planet. Opportunity has been driving for nearly three years toward the crater Endeavour , an immense scar in the Martian surface about 14 miles (22 kilometers) wide. Now the rover is less than 31 feet (50 meters) from the rim and is due to pull up to it later this week, mission scientists said Monday (Aug

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How 5 Recent Social Uprisings Were Wired

BlackBerry Messenger (BBM) and other instant communication platforms have helped to fuel riots and find missing persons this week in some major UK cities. [More]

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Global Garlic Mustard Field Survey

Citizen scientists have an opportunity to contribute to biological research and learn more about the impact of invasive species [More]

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U.S. Debt Deal Could Dramatically Slash Science Funding in 2013

By Eric Hand of Nature magazine Scalpel or guillotine? Those are the possible fates in store for US science funding after Congress and the White House reached a deal to cut federal spending and raise the nation's self-imposed debt limit before a 2 August deadline. The product of tumultuous negotiations, the deal largely spares science in the short term but puts a day of reckoning on the horizon: 2 January 2013.

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