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By Alister Doyle, Environment Correspondent BONN (Reuters) - Tighter limits on soot and smog provide a quick and easy way to fight global warming while protecting human health and raising crop output, a U.N. study said on Tuesday.

By Alister Doyle, Environment Correspondent BONN (Reuters) - Tighter limits on soot and smog provide a quick and easy way to fight global warming while protecting human health and raising crop output, a U.N. study said on Tuesday. [More]

The most surprising part of this story was that they managed to record brainwave activity from the sharks. This tale is about one of the most fascinating figures in the history of neuroscience: Dr.

We are prejudiced against all kinds of other people, based on superficial physical features: We react negatively to facial disfigurement; we avoid sitting next to people who are obese, or old, or in a wheelchair; we favor familiar folks over folks that are foreign. If I asked you why these prejudices exist and what one can do to eliminate them, your answer probably wouldn't involve the words "infectious disease." Perhaps it should.

A joke among researchers in the field of male contraception is that a clinically approved alternative to condoms or vasectomy has been five to 10 years away for the past 40 years.

By Daniel Cressy of Nature magazine Many people affected by mental illness are facing a bleak future as drug companies abandon research into the area and other funding providers fail to take up the slack, according to a new report. Produced for the European College of Neuropsychopharmacology (ECNP), the report warns that "research in new treatments for brain disorders is under threat". [More]

LONDON -- One of the driest spring seasons on record in northern Europe has sucked soils dry and sharply reduced river levels to the point that governments are starting to fear crop losses and France, in particular, is bracing for blackouts as its river-cooled nuclear power plants may be forced to shut down. [More]

By Timothy Gardner WASHINGTON (Reuters) - The Environmental Protection Agency, under pressure from Republicans and big utilities, said on Monday it had extended a deadline by two months on draft rules that would for the first time limit greenhouse gas emissions from power plants. [More]

* Airlines ground flights to Argentine, Uruguay airports * Chilean volcano has been erupting since June 4 [More]

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In a unique fusion of biology and physics, researchers have created the world's first living laser. Single cells containing a special protein that acts as an optical amplifier have been coaxed to emit green laser light, according to a new study. And, perhaps surprisingly, the cell survives its stint as part of the laser

When the internet first got kicking, some scholars of democracy and civil society thought that online discussions could create what they called a "conversational democracy”: an ongoing town hall without bricks and mortar. But the internet may not be as democratic as they'd imagined, according to a study in the journal Communication Research .

It came from outer space. It being the stuff of life--amino acids, sugars and other organic molecules. [More]

It happened in 1995.

Cyber attacks may not be a new phenomenon but the recent successes scored against high-profile targets including CitiGroup , Google , RSA and government contractors such as Lockheed Martin underscore the targets' current failure to block security threats enabled by the Internet. Malicious hackers use the very same technology that enables online banking, entertainment and myriad other communication services to attack these very applications, steal user data, and then cover their own tracks. [More]