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Iceland's Volcanic Ash Cloud to Cover British Air Space Today

An ash cloud from Iceland's Grímsvötn volcano has already grounded more than 250 flights to and from Scotland and Northern Ireland and is expected to cover all of the United Kingdom's air space by the end of Tuesday.from the Christian Science Monitor

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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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Longevity Tests Measure Telomere Length

Blood tests that offer clues to longevity are now going on sale. Some experts contend say the tests will not provide any useful information. ...

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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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Science at the Top of the News for May 16-20

The most-viewed item by subscribers to Science in the News Daily last week was an update on what went wrong at Japan's Fukushima Daiichi nuclear power plant. Other top stories included research on how anesthesia numbs the brain and mysterious Morgellons disease. Subscribe now for free daily updates.

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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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2015-08WyskMMClick to Enlarge Image

PODCAST & VIDEO: 3D Printing Replacement Body Parts

Regenerative medicine, a fledgling field with the aim of regrowing parts from a person’s own cells, is being amplified with 3D-printing technology, which can now use organic materials to create scaffolds that cells need to grow into their final forms. Richard Wysk, a professor of industrial and systems engineering at North Carolina State University, discusses the latest successes with this research, and the timeline for creating more complicated structures.

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