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News About Ice Ages
December 16, 2014
No laughing matter: Nitrous oxide rose at end of last ice age
Corvallis OR (SPX) Dec 15, 2014
Nitrous oxide (N2O) is an important greenhouse gas that doesn't receive as much notoriety as carbon dioxide or methane, but a new study confirms that atmospheric levels of N2O rose significantly as the Earth came out of the last ice age and addresses the cause. An international team of scientists analyzed air extracted from bubbles enclosed in ancient polar ice from Taylor Glacier in Antarctica, allowing for the reconstruction of the past atmospheric composition. The analysis documented a 30 perce ... read more

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Satellite Services supplies on-board sub-systems for smallsats and microsats.
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Antarctica: Heat comes from the deep
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Andes glaciers, ailing giants hit by climate change
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West Antarctic melt rate has tripled
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Tempur-Pedic Mattress Comparison & Memory Foam Mattress Review
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24/7 News Coverage
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Past global warming similar to today's

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Seeing the forest for the trees

Earth grows a new layer under an Icelandic volcano

Climate Change and ENSO: Take 2

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The emergence of modern sea ice in the Arctic Ocean
"We have not seen an ice free period in the Arctic Ocean for 2,6 million years. However, we may see it in our lifetime." says marine geologist Jochen Knies. In an international collaborative project ... more
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Robot returns 3-D images under Antarctic sea sheets
A National Science Foundation (NSF)-funded research team has successfully tested an autonomous underwater vehicle, AUV, that can produce high-resolution, three-dimensional maps of Antarctic sea ice. ... more
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Greenland independence on back burner in snap election
Greenland voters are on Friday expected to focus on the Arctic territory's economic future rather than independence from Denmark, in a snap election prompted by a corruption scandal. ... more
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Underwater robot sheds new light on Antarctic sea ice
The first detailed, high-resolution 3-D maps of Antarctic sea ice have been developed using an underwater robot. Scientists from the UK, USA and Australia say the new technology provides accurate ic ... more
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Extreme weather in the Arctic problematic for people, wildlife
The residents of Longyearbyen, the largest town on the Norwegian arctic island archipelago of Svalbard, remember it as the week that the weather gods caused trouble. Temperatures were ridiculously w ... more
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Permafrost soil possible source of abrupt rise in greenhouse gases
Scientists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) have identified a possible source of carbon dioxide (CO2) and other greenhouse gases that were abru ... more
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Fountain of Youth Underlies Antarctic Mountains
Time ravages mountains, as it does people. Sharp features soften, and bodies grow shorter and rounder. But under the right conditions, some mountains refuse to age. In a new study, scientists explai ... more
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Time-lapse photos and weather data unlock Antarctic secrets
In preparation for his upcoming fieldwork, Brown University research analyst Jay Dickson took 10,000 pictures of the inside of his freezer. He wasn't investigating disappearing food or making sure t ... more
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China's Xi commits to greater Antarctic ties with Australia
China's President Xi Jinping committed to greater Antarctic cooperation with Australia Tuesday, while fulfilling a long-held dream to visit the nation's smallest state in a trip which included a close encounter with a Tasmanian devil. ... more
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Polar bear population in parts of Alaska, Canada down by 40 percent
The population of polar bears in parts of Alaska and northwestern Canada has declined by about 40 percent in the first decade of the 2000s, a new study says. ... more
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Researchers debate science, ethics of cloning wooly mammoth
A team of scientists are optimistic that an extremely well-preserved 40,000-year-old wooly mammoth will provide them with the DNA samples they need to clone the ancient beast. ... more
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China's Xi commits to Antarctic deal with Australia
China's President Xi Jinping Tuesday committed to an Antarctic cooperation deal with Australia, while fulfilling a long-held dream to visit the nation's smallest state in a trip which included a close encounter with a Tasmanian devil. ... more
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Scientists rappel into Siberia's mystery craters
Several months after a mysterious hole in the ground was discovered on the Yamal Peninsula of northwest Siberia, scientists have worked up the courage to climb down into the crater. While rappelling into the hole this week, the researchers captured a series of stunning images. ... more
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Robotic Ocean Gliders Aid Study of Melting Polar Ice
The rapidly melting ice sheets on the coast of West Antarctica are a potential major contributor to rising ocean levels worldwide. Although warm water near the coast is thought to be the main factor ... more
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Ice age infants discovered in Alaskan grave
Archaeologists working in central Alaska discovered the 11,500-year-old remains of two infants from the Ice Age. ... more
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IceBridge Returns to Thwaites Glacier
NASA's Operation IceBridge recently reached the mid-point of the 2014 Antarctic campaign, flying two more missions in West Antarctica. These flights measured the Land Glacier and nearby coastal area ... more
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Space News from SpaceDaily.com
Goddard instrument makes first detection of organic matter on Mars

NASA Rover Finds Active and Ancient Organic Chemistry on Mars

Russia, US to Cooperate on Orion Spacecraft Modernization

Oil-dwelling bacteria are social creatures in Earth's deep biosphere

2015 to be a busy year, says ISRO chief

NASA Study Shows 13-year Record of Drying Amazon Caused Vegetation Declines

Fermi brings deeper focus to thunderstorm gamma-rays

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Variations in ice sheet height influence global climate
In a study published in PNAS, Dr William Roberts of Bristol's School of Geographical Sciences and colleagues use computer models to simulate a Heinrich event in Hudson Bay, Canada, adjusting the mod ... more
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Berkeley Lab scientists ID new driver behind Arctic warming
Scientists have identified a mechanism that could turn out to be a big contributor to warming in the Arctic region and melting sea ice. The research was led by scientists from the US Departmen ... more
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New research explores scent communication in polar bears
New research conducted by a team of conservation scientists provides the first systematic examination of the social information polar bears may glean from scent left in the paw prints of other polar ... more
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Plans for Antarctic marine reserves fail again
Two marine reserves proposed for Antarctica failed to win approval at international talks in Australia on Friday, campaigners said, adding the decision left one of the world's last untouched wildernesses vulnerable. ... more
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They know the drill: UW leads the league in boring through ice sheets
Wisconsin is famous for its ice fishers - the stalwarts who drill holes through lake ice in the hope of catching a winter dinner. Less well known are the state's big-league ice drillers - specialist ... more
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Study shows three abrupt pulse of CO2 during last deglaciation
A new study shows that the rise of atmospheric carbon dioxide that contributed to the end of the last ice age more than 10,000 years ago did not occur gradually, but was characterized by three "puls ... more
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China's 31st Antarctic expedition sets out
Chinese research vessel and icebreaker Xuelong (Snow Dragon) set off on Thursday from Shanghai on the country's 31st Antarctic expedition, scheduled to return in April next year. An important ... more
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Well-preserved baby woolly mammoth carcass on display in Moscow
The incredibly well-preserved carcass of a baby woolly mammoth recently went on display in Moscow as part of an event for the Russian Geological Society, and it is already drawing crowds. The carcass was found in the far north of Russia, among the snow and ice of the region known as Yakutia - one of the coldest continually inhabited places on Earth. ... more
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