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Researchers assess effects of a world awash in nitrogenTempe, AZ (SPX) Dec 21, 2011 Humans are having an effect on Earth's ecosystems but it's not just the depletion of resources and the warming of the planet we are causing. Now you can add an over-abundance of nitrogen as another "footprint" humans are leaving behind. The only question is how large of an impact will be felt. In a Perspectives piece in the current issue of Science, Arizona State University researcher James Elser outlines some recent findings on the increasing abundance of available nitrogen on Earth. In "A World ... read more |
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  Barracuda babies: Novel study sheds light on early life of prolific predator For anglers and boaters who regularly travel the coasts of Florida the great barracuda (Sphyraena barracuda) is a common sight. Surprisingly, however, very little is known about the early life stage ... more | .. |
  Rapid rise in wildfires in large parts of Canada Large forest regions in Canada are apparently about to experience rapid change. Based on models, scientists can now show that there are threshold values for wildfires just like there are for epidemi ... more | .. |
 Upper atmosphere facilitates changes that let mercury enter food chain Humans pump thousands of tons of vapor from the metallic element mercury into the atmosphere each year, and it can remain suspended for long periods before being changed into a form that is easily r ... more | .. |
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 Legumes give nitrogen-supplying bacteria special access pass A 125-year debate on how nitrogen-fixing bacteria are able to breach the cell walls of legumes has been settled. A paper to be published by John Innes Centre scientists reports that plants themselve ... more | .. |
  Data-driven tools cast geographical patterns of rainfall extremes in new light Using statistical analysis methods to examine rainfall extremes in India, a team of researchers has made a discovery that resolves an ongoing debate in published findings and offers new insights. Th ... more | .. |
  New insight into why locusts swarm New research has found that a protein associated with learning and memory plays an integral role in changing the behaviour of locusts from that of harmless grasshoppers into swarming pests. De ... more | .. |
 A major step forward towards drought tolerance in crops When a plant encounters drought, it does its best to cope with this stress by activating a set of protein molecules called receptors. These receptors, once activated, turn on processes that help the ... more |
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Thorium plated steel points to smaller nuclear clocks
Solar ghost particles seen flipping carbon atoms in underground detector
Overview Energy debuts airborne power beaming milestone for space based solar power | .. |
 Nitrogen from humans pollutes remote lakes for more than a century Nitrogen derived from human activities has polluted lakes throughout the Northern Hemisphere for more than a century and the fingerprint of these changes is evident even in remote lakes located thou ... more | .. |
 Genome tree of life is largest yet for seed plants Scientists at the American Museum of Natural History, Cold Spring Harbor Laboratory, The New York Botanical Garden, and New York University have created the largest genome-based tree of life for see ... more | .. |
 IDFC: India's water supply at risk India's rising population and economic growth are straining the country's supply of water, a report from India's Infrastructure Development Finance Co. warns. ... more | .. |
  Egypt military 'regrets transgressions' to women Egypt's military on Tuesday "strongly regretted" what it called "transgressions" against protesters, in a statement addressed to women after soldiers beat and stripped a female demonstrator. ... more |
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  Killer blizzard blankets central US A massive winter storm blamed for at least six deaths made travel nearly impossible in parts of the central United States Tuesday, the National Weather Service said. ... more | .. |
  Communist official heads to China protest village Residents of a Chinese village in open revolt against local authorities said Tuesday they had received word a senior Communist official was headed there to urge against a planned protest march. ... more | .. |
  First Djibouti troops join AU Somalia force The first Djiboutian contingent of 100 soldiers landed in Mogadishu Tuesday to join the African Union force battling Al-Qaeda-linked Shebab forces in Somalia, the mission said. ... more | .. |
  Journals mull publishing killer flu virus details Two top scientific journals said Tuesday they were mulling whether to publish details of a man-made mutant killer flu virus that has sparked concerns of mass deaths if it were released. ... more |
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Autonomous DARPA project to expand satellite surveillance network by BAE Systems
IAEA calls for repair work on Chernobyl sarcophagus
Momentus joins US Space Force SHIELD contract vehicle | .. |
  Philippines buries its dead as flood toll tops 1,000 Philippine authorities on Tuesday began burying the dead from flash floods that have left more than 1,000 dead or missing, as President Benigno Aquino declared a national disaster. ... more | .. |
  Central Asian glaciers resist warming Glaciers in Central Asia will melt far less from the effects of climate change than will those in other mountain ranges, researchers say. ... more | .. |
 Police in China fire tear-gas, beat protesters: witnesses Police fired tear-gas and beat demonstrators who stormed government buildings in southern China on Tuesday to protest a power plant, witnesses said, in the latest violent unrest to hit the country. ... more | .. |
  Mind reading machines on their way: IBM Century-old technology colossus IBM on Monday depicted a near future in which machines read minds and recognize who they are dealing with. ... more |
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  Small fire at Japan nuclear lab; no radiation leak A building housing an experimental nuclear reactor in Japan caught fire Tuesday, but there was no leak of radioactive materials, officials said, amid nervousness over Japan's atomic industry. ... more | .. |
 Thai army chief opposes change to royal insult law Thailand's powerful army chief expressed opposition Tuesday to amending the country's lese majeste law, recently criticised by the West, saying those who opposed it should move abroad. ... more | .. |
 Dutch unveil latest plan in war against the sea: a sandbar In its age-old war to keep back the sea, low-lying Netherlands has dumped sand onto a surface larger than 200 football fields just off the coast - and will wait for nature to do the rest. ... more | .. |
 Aquino vows aid as Philippine flood toll tops 1,000 Philippine President Benigno Aquino pledged aid Tuesday to communities hit by flash floods that walloped the south, as the official toll topped a thousand dead or missing. ... more |
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Robotic welding project to prepare UK for in orbit repairs
OroraTech expands GENA satellite platform with orbital testbed for scientific payloads
ONE Bow River backs Odyssey Space Research growth in flight software and mission engineering | .. |
 Japan coastguard arrests Chinese fisherman Japan's coastguard said Tuesday it had arrested a Chinese boat captain in a possible fresh test for sometimes fraught maritime relations, just days after a South Korean officer was stabbed to death at sea. ... more | .. |
 What are the prospects for sustaining high-quality groundwater Intensive agriculture practices developed during the past century have helped improve food security for many people but have also added to nitrate pollution in surface and groundwaters. New research ... more | .. |
 I wanna talk like you The role of social structure in animal communication is hotly debated. Non-human primates seem to be born with a range of calls and sounds which is dependent upon their species. But overlying this t ... more | .. |
 Evolution at warp speed: Hatcheries change salmon genetics after a single generation The impact of hatcheries on salmon is so profound that in just one generation traits are selected that allow fish to survive and prosper in the hatchery environment, at the cost of their ability to ... more |
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 Ocean dead zones shrinking habitat for blue marlins, other tropical billfish and tunas The science behind counting fish in the ocean to measure their abundance has never been simple. A new scientific paper authored by NOAA Fisheries biologist Eric Prince, Ph.D., and eight other scient ... more | .. |
 Growstones ideal alternative to perlite, parboiled rice hulls In the greenhouse business, organic and inorganic growing substrates are chosen for the physical and chemical properties necessary to support specific crops and growing conditions. One important phy ... more | .. |
 Artichokes grow big in Texas Loaded with antioxidants and phytochemicals, the artichoke is becoming more popular as consumer interest in specialty products swells. And while 90% of the artichokes grown in the United States come ... more | .. |
 Sugar pump in plants identified Plants must supply their various tissues with the carbohydrates they produce through photosynthesis in the leaves. However, they do not have a muscular pump like the human heart to help transport th ... more |
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