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Four colossal Sun flares in 48 hours

Wed, 15 May 2013 00:00:00 -0700

BBC News - By Paul Rincon - May. 15 (News Report) - The Sun has unleashed the most powerful eruption - a solar flare - of 2013 so far.

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Atmospheric carbon dioxide levels hit troubling milestone, scientists say

Sat, 11 May 2013 00:00:00 -0700

Washington Post - By Brian Vastag, Jason Samenow - May. 11 (News Report) - Human influence on the Earth’s atmosphere touched what climate scientists called a dire milestone Friday as concentrations of heat-trapping carbon dioxide nudged up to a level unseen in about 3 million to 5 million years — long before modern humans.

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Do Electronic Cigarettes Really Help Smokers Quit?

Tue, 07 May 2013 00:00:00 -0700

Scientific American - By Alisa Opar - May. 07 (Special Report) - Everyone knows that cigarettes are bad for you. Yet 45 million Americans smoke , a habit that shaves a decade off life expectancy and causes cancer as well as heart and lung diseases. Nearly 70 percent of smokers want to quit , but despite the deadly consequences, the vast majority of them fail. ...

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Lancaster, Calif., Focuses on Becoming Solar Capital of ‘Universe’

Tue, 09 Apr 2013 00:00:00 -0700

New York Times - By By FELICITY BARRINGER - Apr. 09 (News Report) - There are at least two things to know about this high desert city. One, the sun just keeps on shining. Two, the city’s mayor, a class-action lawyer named R. Rex Parris, just keeps on competing. Two years ago, the mayor, a Republican, decided to leverage the incessant Antelope Valley sun so that Lancaster could become the solar capital “of the world,” he said. Then he reconsidered. “Of the universe,” he said, the brio in his tone indicating that it would be parsimonious to confine his ambition to any one planet.

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In Asteroid’s Aftermath, a Sigh of Relief

Tue, 26 Mar 2013 00:00:00 -0700

New York Times - By By HENRY FOUNTAIN - Mar. 26 (News) - Scientists say luck played a role in sparing Chelyabinsk, Russia, from devastation as a space rock exploded.

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Altered T-Cell Therapy Shows Promise for Acute Leukemia

Wed, 20 Mar 2013 00:00:00 -0700

New York Times - By By DENISE GRADY - Mar. 20 (News Report) - Genetically altering a patient’s immune cells has, for the first time, produced remissions in adults with a virulent blood cancer. In one patient, the disease vanished in eight days.

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Monarch Migration Plunges to Lowest Level in Decades

Thu, 14 Mar 2013 00:00:00 -0700

New York Times - By Michael Wines - Mar. 14 (News Report) - The monarch population has declined with extreme weather and a lack of the milkweed that the butterflies feed on, experts say.

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Mars Could Have Supported Life Long Ago, NASA Says

Wed, 13 Mar 2013 00:00:00 -0700

New York Times - By Kenneth Chang - Mar. 13 (News Report) - Findings from NASA’s Mars rover show that the planet may well have been a pleasant place for tiny microbes, with plenty of water and minerals.

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US doctors cure child born with HIV

Mon, 04 Mar 2013 00:00:00 -0800

The Guardian - By Ian Sample - Mar. 04 (News Report) - Doctors in the US have made medical history by effectively curing a child born with HIV, the first time such a case has been documented. The infant, who is now two and a half, needs no medication for HIV, has a normal life expectancy and is highly unlikely to be infectious to others, doctors believe. Though medical staff and scientists are unclear why the treatment was effective, the surprise success has raised hopes that the therapy might ultimately help doctors eradicate the virus among newborns.

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'Extinction crisis' focus for CITES

Sun, 03 Mar 2013 00:00:00 -0800

BBC News - By Matt McGrath - Mar. 03 (Special Report) - Delegates from 178 countries will review the convention on international trade in endangered species (CITES) amidst an unprecedented extinction crisis.

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Hydrogen's energy promise improves

Fri, 01 Mar 2013 00:00:00 -0800

BBC News - Mar. 01 (News Report) - Hydrogen produced from renewable resources is a promising source of clean energy, but the gas is difficult to handle and transport.

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When his PSA score spiked, prostate surgery loomed, but NIH offered another way

Tue, 26 Feb 2013 00:00:00 -0800

Washington Post - By Marilyn Fenichel - Feb. 26 (News) - A few weeks before our long-awaited trip to Italy in 2011, my husband, Jim, received a disconcerting phone call about one of the results of his annual physical. Jim’s PSA, a blood test that screens for early-stage prostate cancer, had been rising over the past couple of years. His internist was becoming concerned, and he suggested that Jim get another PSA when he returned from Europe. Read full article >>

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Scientists show off stretchy battery

Tue, 26 Feb 2013 00:00:00 -0800

BBC News - By Jason Palmer - Feb. 26 (News Report) - Researchers have demonstrated a flat, "stretchy" battery that can be pulled to three times its size without a loss in performance.

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1.5C rise in temperature enough to start permafrost melt, scientists warn

Fri, 22 Feb 2013 00:00:00 -0800

The Guardian - By Fiona Harvey - Feb. 22 (News) - A global temperature rise of 1.5C would be enough to start the melting of permafrost in Siberia, scientists warned on Thursday. Any widespread thaw in Siberia's permanently frozen ground could have severe consequences for climate change. Permafrost covers about 24% of the land surface of the northern hemisphere, and widespread melting could eventually trigger the release of hundreds of gigatonnes of carbon dioxide and methane, which would have a massive warming effect. However, any such melting would be likely to take many decades, so the initial release of greenhouse gas would probably be on a much smaller scale.

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Stem cells in Texas: Cowboy culture : Nature News & Comment