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White, but not pure

White, but not pure

Space & Earth / Environment

created Dec 07, 2009 | popularity 4.7 / 5 (3) | comments 2

Even the snow on Aconcagua Mountain in the Andes is polluted with PCBs. An international team of researchers detected low concentrations of these toxic, carcinogenic chlorine compounds in samples taken from ...


Greenhouse gas carbon dioxide ramps up aspen growth

Space & Earth / Environment

created Dec 04, 2009 | popularity 3.5 / 5 (8) | comments 6

The rising level of atmospheric carbon dioxide may be fueling more than climate change. It could also be making some trees grow like crazy.


STAR TRAK for December: Geminid meteors flash in December skies

STAR TRAK for December: Geminid meteors flash in December skies

Space & Earth / Space Exploration

created Dec 03, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- The annual Geminid meteor shower, which will reach its maximum on the night of Dec. 13-14, usually offers the best show of the year, outperforming even the Perseid shower of August. This year ...


Professor foresees rising Antarctic snowmelt

Space & Earth / Earth Sciences

created Dec 03, 2009 | popularity 3.5 / 5 (2) | comments 0

The 30-year record low in Antarctic snowmelt that occurred during the 2008-09 austral summer was likely due to concurrent strong positive phases for two main climate drivers, ENSO (El Niņo - Southern Oscillation) and SAM ...


Big freeze plunged Europe into ice age in months

Space & Earth / Earth Sciences

created Nov 30, 2009 | popularity 4 / 5 (17) | comments 7

In the film, 'The Day After Tomorrow' the world enters the icy grip of a new glacial period within the space of just a few weeks. Now new research shows that this scenario may not be so far from the truth after all.


Caltech scientists explain puzzling lake asymmetry on Titan

Scientists explain puzzling lake asymmetry on Titan

Space & Earth / Space Exploration

created Nov 29, 2009 | popularity 4.4 / 5 (14) | comments 0

Researchers at the California Institute of Technology (Caltech) suggest that the eccentricity of Saturn's orbit around the sun may be responsible for the unusually uneven distribution of methane and ethane ...


Past regional cold and warm periods linked to natural climate drivers

Space & Earth / Earth Sciences

created Nov 26, 2009 | popularity 3.8 / 5 (19) | comments 31

Intervals of regional warmth and cold in the past are linked to the El Niņo phenomenon and the so-called "North Atlantic Oscillation" in the Northern hemisphere's jet stream, according to a team of climate scientists. These ...


Ships warned about icebergs headed for New Zealand (AP)

Ships warned about icebergs headed for New Zealand

Space & Earth / Earth Sciences

created Nov 25, 2009 | popularity not rated yet | comments 0

(AP) -- Ships are on alert and maritime authorities are monitoring the movements of hundreds of menacing icebergs drifting toward New Zealand in the southern Pacific Ocean, officials said.


Cassini Captures Ghostly Dance of Saturn's Northern Lights

Cassini Captures Ghostly Dance of Saturn's Northern Lights (w/ Video)

Space & Earth / Space Exploration

created Nov 24, 2009 | popularity 4.9 / 5 (10) | comments 1

(PhysOrg.com) -- In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness ...


Researchers Establish Common Seasonal Patterns Among Bacterial Communities in Arctic Rivers

Researchers Establish Common Seasonal Patterns Among Bacterial Communities in Arctic Rivers

Space & Earth / Earth Sciences

created Nov 24, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- New research on bacterial communities throughout six large Arctic river ecosystems reveals predictable temporal patterns, suggesting that scientists could use these communities as markers ...


Cassini Sends Back Images of Enceladus as Winter Nears

Cassini Sends Back Images of Enceladus as Winter Nears

Space & Earth / Space Exploration

created Nov 23, 2009 | popularity 4.4 / 5 (7) | comments 0

(PhysOrg.com) -- NASA's Cassini spacecraft has sailed seamlessly through the Nov. 21 flyby of Saturn's moon Enceladus and started transmitting uncalibrated temperature data and images of the rippling terrain. ...


New computer-developed map shows more extensive valley network on Mars

New computer-developed map shows more extensive valley network on Mars

Space & Earth / Space Exploration

created Nov 23, 2009 | popularity 4.4 / 5 (9) | comments 1

(PhysOrg.com) -- New research adds to the growing body of evidence suggesting the Red Planet once had an ocean.


The shore of Deception Island in Antarctica, in 2008

Antarctic ice loss vaster, faster than thought: study

Space & Earth / Earth Sciences

created Nov 22, 2009 | popularity 3.8 / 5 (51) | comments 45

The East Antarctic icesheet, once seen as largely unaffected by global warming, has lost billions of tonnes of ice since 2006 and could boost sea levels in the future, according to a new study.


Swine flu vaccine effective despite mutations: experts

Medicine & Health / Diseases

created Nov 21, 2009 | popularity 1 / 5 (1) | comments 1

Swine flu vaccines are still effective despite reported cases of mutations in the A(H1N1) virus, health experts in Europe and North America said Saturday.


Mutation found in swine flu virus: WHO

Medicine & Health / Diseases

created Nov 20, 2009 | popularity 3.3 / 5 (3) | comments 0

The World Health Organisation said Friday that a mutation had been found in samples of the swine flu virus taken following the first two deaths from the pandemic in Norway.