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Crop models help increase yield per unit of water used

MADISON, WI, May 4, 2009 -- Crop water use efficiency (WUE, or yield per unit of water used), also known as crop water productivity, can be improved through irrigation management and methods, including deficit irrigation (irrigating less than is required for maximum yields) and supplemental irriga...

People of higher socioeconomic status choose better diets -- but pay more per calorie

St. Louis, MO, May 1, 2009 As people become more educated, studies have demonstrated that they tend to choose foods that are lower in calories but higher in nutrients. They also pay more. In a study published in the May 2009 issue of the Journal of the American Dietetic Association , researchers...

New renewables to power 40 per cent of global electricity demand by 2050

With adequate financial and political support, renewable energy technologies like wind and photovoltaics could supply 40 percent of the world's electricity by 2050, according to findings from the International Scientific Congress "Climate Change: Global Risks, Challenges & Decisions." However, if ...

Marine invasive species advance 50 km per decade, World Conference on Marine Biodiversity told

A rapid, climate change-induced northern migration of invasive marine is one of many research results announced Tues. Nov. 11 during opening day presentations at the First World Conference on Marine Biodiversity, Ciudad de las Artes y las Ciencias, in Valencia. Investigators report that invasiv...

Marine invasive species advance 50km per decade, World Conference on Marine Biodiversity told

A rapid, climate change-induced northern migration of invasive marine is one of many research results announced Tues. Nov. 11 during opening day presentations at the First World Conference on Marine Biodiversity, Ciudad de las Artes y las Ciencias, in Valencia. Investigators report that invasiv...

Dark chocolate: Half a bar per week to keep at bay the risk of heart attack

Maybe gourmands are not jumping for joy. Probably they would have preferred bigger amounts to sup-port their passion. Though the news is still good for them: 6.7 grams of chocolate per day represent the ideal amount for a protective effect against inflammation and subsequent cardiovascular disease...

Study: diabetic neuropathy costs billions per year in lost work time

DANVILLE, PA. - Workers who have diabetes with neuropathic symptoms such as numbness or tingling in feet or hands lose the equivalent of 1.4 hours a week or $3.65 billion per year in health-related lost productive time, a recent study finds. The 1.4 hours lost was more than twice the amount of ...

Triple threat: World fin trade may harvest up to 73 million sharks per year

The first real-data study of sharks harvested for their valuable fins estimates as few as 26 million and as many as 73 million sharks are killed each year worldwide--three times higher than was reported originally by the United Nations, according to a paper published as the cover story in the Octob...

EMBO pioneers pension plan for internationally mobile postdoctoral researchers

... survey conducted by the EMBO Fellowship office revealed that less than ten per cent of fellows contributed to a pension scheme, while nearly all of them w...esearchers. The EMBC support allows for incentive contributions of 100 euro per month during a two-year fellowship for each EMBO Fellow enrolled in the pla...

Marine microbes creating green waves in industry

...anufacturing solutions - for pharmaceuticals and agrochemicals in particular - as a result of this search." Microorganisms account for more than 95 per cent of ocean biomass but relatively little is really known about them and their potential applications. The research team's search is for industriall...

Carbon nanoparticles toxic to adult fruit flies but benign to young

...ortant, because they show that permutations of the same material carbon can have different effects in the environment. "It's not the nanoparticle per se (that may be hazardous), but the form the nanoparticle is in," Rand said. In another experiment led by Daniel Vinson, an undergraduate student i...

Wastewater produces electricity and desalinates water

...ber. Seawater contains about 35 grams of salt per liter and brackish water contains 5 grams per liter. Salt not only dissolves in water, it dissoc...eawater would produce water with 3.5 grams of salt per liter, which is less than brackish water. Brackish...

'Green' energy from algae

...e more biomass for energy production. However, this is not their only advantage: "Compared to land plants, algae produce five times as much biomass per hectare and contain 30 to 40% oil usable for energy production", says Professor Cle-mens Posten, who directs this research activity at the KIT Institu...

Bioethanol's impact on water supply 3 times higher than once thought

...l pump, depending on the regional irrigation practice in growing corn. However, a dozen states in the Corn Belt consume less than 100 gallons of water per gallon of ethanol, making them better suited for ethanol production. "The results highlight the need to take regional specifics into account when impl...

UBC researchers find first-ever 'wanderlust gene' in tiny bony fish

...ified a mutant form of a gene, or allele, that prohibits growth of armour and is commonly found in freshwater sticklebacks but exists in less than one per cent of their marine counterparts. Now UBC PhD candidate Rowan Barrett and colleagues from UBC's Dept. of Zoology have found that the gene may also...

Lead-based consumer paint remains a global public health threat

...rcent of the world's population exceeded current U.S. standard of 600 parts per million (ppm) for lead in paint. In addition, 69 percent of the brands had ...effect Aug. 9, 2009, and will lower the allowable lead limit from 600 parts per million (ppm) to 90 ppm. "This revised standard for lead in consumer pai...

Plankton Power and RTDC announce proposed algae-to-biofuels pilot facility on Cape Cod

...pe Cod." Beginning in autumn 2010, Plankton Power expects to initiate pilot-scale operations to generate up to one million gallons of biodiesel per yearenough fuel to supply Cape Cod's current biodiesel usage. The company projects that commercial-scale operations on 100 acres could eventually yiel...

Hybrid vehicle rebates produce scant environmental benefits, high cost

...ently increased its rebate to a maximum of $10,000 per hybrid vehicle. The study finds that Canadian p...s that offer rebates have spent an average of $195 per tonne of carbon saved or, equivalently, $0.43 for ...arbon offsets (currently priced between $3 and $40 per tonne on carbon markets) or investing in green job...

Holding breath for several minutes elevates marker for brain damage

...ears, although the occupation has been dying out. These divers harvest seaweed, shellfish and other growth from the sea bottom, diving dozens of times per day. Some divers routinely dive to depths of 90 feet on a single breath while others dive in the 15-30 foot range. More recently, breath-hold divin...

Urban water ecology at the ESA annual meeting

...fs within one watershed in the Baltimore area. If all these roofs were greened, she says, the city could save the watershed 8 million gallons of water per year, or about 10 percent of its yearly water loss. "We need to understand what implementing these greenroofs at the whole watershed scale can do," ...

Stem cell 'daughters' lead to breast cancer

...ying mutations in the gene BRCA1. BRCA1 gene mutations are found in 10-20 per cent of women with hereditary breast cancer. Women with BRCA1 mutations oft... causes of premature death in women. "BRCA1 women have approximately a 65 per cent lifetime chance of developing breast cancer. Following surgery, treatm...

Aware, Inc. Reports Second Quarter 2009 Financial Results

...ts its net income and basic and diluted net income per share in accordance with U.S. generally accepted a... second quarter of 2009 was $1.6 million, or $0.08 per diluted share, which included $0.4 million of stoc...pared to a GAAP net loss of $1.3 million, or $0.05 per diluted share, for the same period a year ago. GAA...

August 2009 Geology and GSA Today media highlights

...odern seawater, which has relatively high sulfate concentrations compared with the geologic past, the offset will typically be between 20 and 50 parts per thousand. As sulfate concentrations in seawater decline, the isotopic offset between sulfate and sulfide declines toward zero. Geologists use the amou...

Global curbs on overfishing are beginning to work

...and. "These highly managed ecosystems are improving," says Dr Hilborn. "Yet there is still a long way to go: of all fish stocks that we examined 63 per cent remained below target and still needed to be rebuilt." According to Dr Worm, there is still a troubling trend of increasing stock collapse ac...

A crystal ball for brain cancer?

...r blood supply. Half of patients don't respond to the therapy, though, exposing them to unnecessary side effects and medication costing up to $10,000 per month. Now UCLA scientists have uncovered a new way to image tumors and forecast which patients, like McNabb, are most likely to benefit from Ava...

Health benefits of physical activity more pronounced in women

..., all individuals who increased their exercise by about 180 metabolic units per week (equivalent to an additional hour of mild or 30 minutes of moderate activity per week) displayed decreased levels of triglycerides and increased levels of t...

Humans 'damaging the oceans'

...sible we will pass the critical level of 450 parts per million CO2 in the atmosphere by 2040. That's the...expect ocean oxygen levels to decline by about six per cent for every one degree increase in temperature ...sea which are low in oxygen to grow by at least 50 per cent. This has major implications for the world's ...

First genetically-engineered malaria vaccine to enter human trials

...t issue of the Proceedings of the National Academy of Sciences USA. Professor Cowman said similar vaccines had been tested in mice and offered 100 per cent protection against malaria infection. He said it was hoped the vaccine would produce similar results in humans. "Although two genes have been del...

Test helps in fight against lung infections and for treating other life-threatening infections

...low doctors to more accurately identify the right antibiotics required to treat serious, chronic infections that are biofilm based. With more than 80 per cent of infections in the developed world caused by biofilms, the potential for this new breakthrough test, called bioFILM PA™, is of immense si...

UBC researchers help push for standard DNA barcodes for plants

...ecies of plants as endangered, but notes only four per cent of total plant species have been evaluated. T...the total number of endangered plants vary from 13 per cent to 37 per cent. ...

Comprehensive look at rare leukemia finds relatively few genetic changes launch disease

... low burden of mutations. The researchers found slightly more than two CNAs per AML patient, and less than one point mutation per patient in the genes sequenced. The scientists also reported just 21 percen...

121 breeding tigers estimated to be found in Nepal

... at a tipping point. Tigers are experiencing a range collapse, occupying 40 per cent less habitat than was estimated just one decade ago. The estimated num...n devised in which the target is to increase the population of tigers by 10 per cent within the first 5 year period of the plan implementation. "Tigers ...

New supercomputer to reel in answers to some of Earth's problems

...on the PNNL campus, Chinook can perform more than 160 trillion calculations per second, ranking it in the top 40 fastest computers in the world (see the T...op 50 ). Its predecessor, EMSL's MPP2, could run 11.2 trillion calculations per second. The Office of Biological and Environmental Research within DOE'...

Spallation Neutron Source sees first target replacement

...boratory director. The mercury target is the first of its kind. A proton beam generated by the SNS's linear accelerator strikes the target 60 times per second with a force comparable to bursts from a large-caliber machine gun, "spalling" neutrons from the circulating mercury inside. Eventually, the...

Most older long-term cancer survivors have poor health habits

...hey reported an average of only 10 minutes of moderate-to-vigorous exercise per week. This is far short of the national recommendation of more than 150 minutes of exercise per week. Also, only 7 percent met healthful eating recommendations set by nati...

Silicon with afterburners: Process developed at Rice could be boon to electronics manufacturer

... microscopic circuits to a particular need, and it's been effective so far even in concentrations as small as one atom of boron, arsenic or phosphorus per 100 million of silicon. But as manufacturers pack more transistors onto integrated circuits by making the circuits ever smaller, doping gets problema...

Frost & Sullivan Recognizes MIRTEC With the 2009 Award for Automated Optical Inspection Product Innovation of the Year

...omotive, aerospace and defense," Notes Srinivasan. "With a combined installed base of several thousand systems and projected sales of over 500 systems per year, the company is rapidly gaining market share and establishing its leadership position." Each year, Frost & Sullivan presents this aw...

$2 million grant aids study of lung cancer in people who never smoked

...t attributable to smoking, although the figures for the U.S. are somewhat lower (10 percent of men and 20 percent of women for a total of 27,000 cases per year). "If you consider lung cancer in never-smokers as a separate category, it ranks as the seventh-most common cause of cancer deaths worldwide,"...

When children have breathing problems

...and even in the city centre only around one or two per cent more children are affected than in the relati...With an annual average of 20 micrograms of benzene per cubic metre air measured in the industrial areas o...al mass of particulates or the number of particles per cubic centimetre is more important in terms of hea...

Reveal the enemy

...ion equivalent to one salmonella bacterium in 5 mL of medium. Quantitative measurements were possible down to a concentration of about 1000 salmonella per milliliter. This biosensor is specific: it does not react to bacteria other than Salmonella typhi . "Our new technique makes the detection of micro-o...
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