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Some Heart Screenings May Do More Harm Than Good

Screening people at low risk for heart disease with a test that detects blocked arteries appears to do more harm than good, new research suggests...from the Chicago Sun-Times

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Billions of Lonely Planets Wander the Galaxy

Astronomers say billions of "orphan" planets are wandering around the galaxy that have been ejected from the planetary systems that gave them birth and either were going their own lonely ways or were only distantly bound to stars at least 10 times as far away as the Sun is from the Earth. ...

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Antarctic Ozone Layer Bounces Back

Twenty-two years after the Montreal Protocol to ban chlorofluorocarbons (CFCs) and related ozone-destroying chemicals came into force, researchers in Australia say the ozone layer over Antarctica is starting to heal. ...

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Is D-Wave's Computer Quantum Mechanical?

Canadian computer scientists have published data that they say prove quantum phenomena are at work within their quantum computer. But others still have doubts. ...

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New Treatment Lets Paralyzed Man Walk Again

A 25-year-old Los Angeles man paralyzed from the waist down after being hit by a car in 2006 has regained the ability to stand, take steps on a treadmill and move his hips, knees, ankles and toes voluntarily as a result of an experimental treatment developed at UCLA and the University of Louisville.

from the Los Angeles Times (Registration Required)

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Iceland Volcanic Ash Cloud Set to Reach UK

An ash cloud from the Grimsvotn volcano in Iceland is expected to reach the UK by the early hours of Tuesday morning, the Met Office has said.

from BBC News Online

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