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![]() Paris, France (SPX) Jul 19, 2012 Scientists have recreated the extreme conditions at the boundary between Earth's core and its mantle, 2,900 km beneath the surface. Using the world's most brilliant beam of X-rays, they probed speck-sized samples of rock at very high temperature and pressure to show for the first time that partially molten rock under these conditions is buoyant and should segregate towards the Earth's surface. This observation is a strong evidence for the theory that volcanic hotspots like the Hawaiian Islands ori ... read more |
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![]() Raytheon technology to transform commercial cargo ships into cutting-edge humanitarian aid delivery platforms Raytheon has completed the preliminary design phase of the Tactically Expandable Maritime Platform (TEMP) program awarded by the Defense Advanced Research Projects Agency (DARPA). Through the TEMP p ... more | .. |
![]() Green plants reduce city street pollution up to eight times more than previously believed Trees, bushes and other greenery growing in the concrete-and-glass canyons of cities can reduce levels of two of the most worrisome air pollutants by eight times more than previously believed, a new ... more | .. |
![]() Unique Neandertal arm morphology due to scraping, not spearing Unique arm morphology in Neandertals was likely caused by scraping activities such as hide preparation, not spear thrusting as previously theorized, according to research published July 18 in the op ... more | .. | ||
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![]() Neanderthals at El Sidron, Northern Spain, had knowledge of plants' healing qualities An international team of researchers, led by the Universitat Autonoma de Barcelona and the University of York, has provided the first molecular evidence that Neanderthals not only ate a range of coo ... more | .. |
![]() Botanical compound could prove crucial to healing influenza Building on previous work with the botanical abscisic acida, researchers in the Nutritional Immunology and Molecular Medicine Laboratory (NIMML) have discovered that abscisic acid has anti-inflammat ... more | .. |
![]() Hidden secrets in Norway's rainforests The word rainforest usually conjures up visions of brightly coloured birds and hyperactive monkeys swooping through a thick green canopy of leaves, vines and flowers. But rainforests are also found ... more | .. |
![]() Leaf Litter and Soil Protect Acorns from Prescribed Fire U.S. Forest Service scientists have found that prescribed fires with the heat insulation of leaf litter and soil can help restore oak ecosystems. Forest Service researchers are helping land managers ... more |
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![]() Refining the tool kit for sustainable fisheries As spatial planning is used increasingly to manage fisheries and other ocean resources, researchers are working to determine the best ways to use and refine the various spatial management tools. Amo ... more | .. |
![]() How to make global fisheries worth five times more Rebuilding global fisheries would make them five times more valuable while improving ecology, according to a new University of British Columbia study, published in the online journal PLoS ONE. ... more | .. |
![]() Australia aims to become Asia's food bowl The Australian government has released the draft of its first food security plan aimed at positioning the country to become the "food bowl for Asia." ... more | .. |
![]() Faroe Islands blast threat of EU sanctions in mackerel war The Faroe Islands, an autonomous Danish territory, on Wednesday harshly criticised calls by Ireland and other EU countries for sanctions against it and Iceland for over-fishing of mackerel. ... more |
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![]() US drought worst in 25 years, food prices to rise A drought scouring the farming heartlands of the United States is the worst for 25 years and could drive up food prices, Agriculture Secretary Tom Vilsack said Wednesday. ... more | .. |
![]() Canada claims win in pine beetle lumber dispute with US Canada claimed a victory on Wednesday in a dispute with the United States over softwood lumber, after a tribunal ruled it had not violated a trade accord by selling beetle-blemished logs at low prices. ... more | .. |
![]() HIV drugs reach 8 million in needy countries More than eight million people - a record number in low- and middle-income countries - are now taking antiretroviral drugs to treat HIV, according to data released Wednesday by UNAIDS. ... more | .. |
![]() End of AIDS pandemic in sight: US expert Three decades into the AIDS pandemic an end to new infections is in sight, according to Anthony Fauci, director of the US National Institute of Allergy and Infectious Diseases. ... more |
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![]() Worst drought in five decades ravages US Weather forecasters see no end in sight to the worst US drought in five decades, a blistering heatwave that has wilted crops across America's crucial breadbasket and sent grain prices soaring. ... more | .. |
![]() Typhoon dumps rain on flood-weary Japan A typhoon skimmed past sodden southwestern Japan on Wednesday dumping rain on an area already struggling to clean up after huge floods. ... more | .. |
![]() Two China workers killed in Singapore tunnel accident Two Chinese workers were killed and eight others injured in Singapore Wednesday when scaffolding at a subway construction site collapsed, officials said. ... more | .. |
![]() Pregnant new CEO for Yahoo! stirs US debate on working moms No sooner was Marissa Mayer named chief executive of Yahoo! than she announced she's pregnant. In doing so, she ramped up a lively ongoing debate in the United States about working moms. ... more |
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![]() Greenland glacier loses ice An ice island twice the size of Manhattan has broken off from Greenland's Petermann Glacier, according to researchers at the University of Delaware and the Canadian Ice Service. The Petermann Glacie ... more | .. |
![]() Man-made pores mimic important features of natural pores Inspired by nature, an international research team has created synthetic pores that mimic the activity of cellular ion channels, which play a vital role in human health by severely restricting the t ... more | .. |
![]() Nanoscale scaffolds and stem cells show promise in cartilage repair Johns Hopkins tissue engineers have used tiny, artificial fiber scaffolds thousands of times smaller than a human hair to help coax stem cells into developing into cartilage, the shock-absorbing lin ... more | .. |
![]() Helping pigs to digest phosphorus Phosphorus is a vital nutrient for pig growth, but pigs do not always digest it well. Research conducted at the University of Illinois has determined how adding various levels of the enzyme phytase ... more |
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![]() Glyphosate-resistant 'superweeds' may be less susceptible to diseases Scientists searching for clues to understand how superweeds obtain resistance to the popular herbicide glyphosate may have been missing a critical piece of information, a Purdue University study sho ... more | .. |
![]() Rodent robbers good for tropical trees There's no honor among thieves when it comes to rodent robbers-which turns out to be a good thing for tropical trees that depend on animals to spread their seeds. Results of a yearlong study in Pana ... more | .. |
![]() Caution needed with new greenhouse gas emission standards Policy makers need to be cautious in setting new 'low-carbon' standards for greenhouse gas emissions for oil sands-derived fuels as well as fuels from conventional crude oils University of Calgary a ... more | .. |
![]() The challenges facing the vulnerable Antarctic A century ago, the South Pole was one of Earth's last frontiers, but now the Antarctic is under threat from human activity. Led by Monash University's Professor Steven Chown, a multidisciplinary tea ... more |
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![]() Paisley Caves yield 13,000-year old Western Stemmed points, more human DNA Archaeological work in Oregon's Paisley Caves has found evidence that Western Stemmed projectile points - darts or thrusting spearheads - were present at least 13,200 calendar years ago during or be ... more | .. |
![]() Viruses linked to algae that control coral health Scientists have discovered two viruses that appear to infect the single-celled microalgae that reside in corals and are important for coral growth and health, and they say the viruses could play a r ... more | .. |
![]() Heavy rain fears as typhoon menaces Japan A typhoon menacing already sodden southwestern Japan could dump weeks' worth of rain on the area, forecasters warned Wednesday, as communities struggle to recover from huge floods. ... more | .. |
![]() Endangered languages get a Google protection plan Google on Tuesday unveiled an online information exchange platform to try to give some extra lasting power to more than 3,000 endangered languages. ... more |
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