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Lake Mead could be dry by 2021

There is a 50 percent chance Lake Mead, a key source of water for millions of people in the southwestern United States, will be dry by 2021 if climate changes as expected and future water usage is not curtailed, according to a pair of researchers at Scripps Institution of Oceanography, UC San Dieg...

Choosing dry or wet food for cats makes little difference

COLUMBIA, Mo. Although society is accustomed to seeing Garfield-sized cats, obese, middle-aged cats can have a variety of problems including diabetes mellitus, which can be fatal. The causes of diabetes mellitus in cats remain unknown although there has been a strong debate about whether a dry fo...

Ancient amphibians evolved a bite before migrating to dry land

Ancient aquatic amphibians developed the ability to feed on land before completing the transition to terrestrial life, researchers from Harvard University report this week in the Proceedings of the National Academy of Sciences. Their work is based on analysis of the skulls of the first amphibians...

Promising cell protein may play role in infection and dry eye

Plasminogen Activator Inhibitor Type 2 (PAI-2), a protein found in various cell types including the skin, has been discovered in the tissue covering the eye and may have future clinical implications in various pathologies of the ocular surface such as eye infection or dry eye, according to research...

Amazon rainforest greens up in the dry season

The Amazon rainforest puts on its biggest growth spurt during the dry season, according to new research. The finding surprised the researchers. "Most of the vegetation around the world follows a general pattern in which plants get green and lush during the rainy season and then during the dry sea...

Tropical dry forests receive international recognition

When most people think of tropical forests, rainforests immediately come to mind. But they are not the only kind under threat--the tropical dry forest is in as much danger as its popular cousin yet its grave situation continues to be ignored. Dr. Arturo Sanchez-Azofeifa is hoping to change that. ...

Lead-based consumer paint remains a global public health threat

...s. His team also analyzed the consumer cost of leaded and unleaded paint. Each paint sample was applied in a single layer to a wood block, left to dry and then removed and analyzed in UC laboratories for lead content. Researchers determined that 73 percent of the paint companies' products tested had ...

August 2009 Geology and GSA Today media highlights

... vegetation can conceal underlying rock and soil, use of modeled spectra of dry grass and serpentine allowed detection of serpentine in some parts of the s...Elias Mountains, this great region, now known as Beringia, was cold but too dry for the development of glaciers. Instead, the region consisted of a great A...

MU researchers create drought conditions to unearth solutions

...and his team will construct four mobile rain shelters and will vary the amount of water that the test plants receive, simulating everything from short dry spells to persistent and severe drought conditions. The shelters measure 50 feet by 100 feet, look like greenhouses and are mobile. The researchers wi...

Large trees declining in Yosemite

...us Jan van Wagtendonk. "Warmer conditions increase the length of the summer dry season and decrease the snowpack that provides much of the water for the growing season. A longer summer dry season can also reduce tree growth and vigor, and can reduce trees' ability...

Corn yield stability varies with rotations, fertility

...trogen requirements, continuous corn can perform equally well to the rotated in high-yielding years, but performs poorly in low-yielding years such as dry summers and wet springs. When synthetic fertilizers or phosphorus-based manure are applied, however, continuous corn may yield less than rotated co...

Slotted buses keep passengers cool

... A simple redesign of public buses used in hot and dry climates could make passengers more comfortable without the need to use extra fuel running air conditioning, according to a study published in the In...

U of A honored for research that could help 30 million Brazilians

... newly discovered fungus that helps plants grow in dry soil has been named in honour of the U of A for it...n in a huge, impoverished and uncharacteristically dry area of Brazil. The area is classified as dry tropical forest. It's as vast as Canada's three pr...

Nursery programs for corals receive TLC from NOAA this Independence Day

... of the four existing staghorn nurseries found between Broward County and the Lower Florida Keys, and the establishment of additional nurseries in the dry Tortugas and the USVI. In all, the project will grow roughly 12,000 corals in Florida to enhance coral populations at 34 degraded reefs in the region....

In the warming West, climate most significant factor in fanning wildfires' flames

...scientists have long observed: that low precipitation and high temperatures dry out fuels and result in significant fire years, a pattern that dominates th...ds' and grasslands' requirement for high precipitation one year followed by dry conditions the next to produce fuels sufficient to result in large wildfire...

Troubled waters: Low Apalachicola River flow may hurt gulf fisheries

...d man-made flow reductions at the center of the water wars will have a significant impact on the offshore marine systems, especially during abnormally dry years. ...

GEN reports on alternative feedstocks for ethanol production

...de ethanol that it contends can be cost-competitive with gasoline. The process reportedly is able to yield more than 100 gallons of ethanol per ton of dry biomass. Also discussed in the GEN article is biofuel research taking place at ICM, Qteros, Synthetic Genomics, Solazyme, and the United States Dep...

U-M researcher and colleagues predict large 2009 Gulf of Mexico 'dead zone'

... miles, with a "most likely" volume of 1.2 cubic miles---the lowest level since 2001 and third-lowest on record. The drop is largely due to a regional dry spell that lasted from January through April, Scavia said. Continued high flows in June, beyond the period used for the forecasts, suggest the actual ...

Omega-3 fatty acids appear to impact AMD progression

...gression to advanced stages of AMD. Participants who consumed higher amounts of DHA and EPA appeared to have lower risk of progression to both wet and dry forms of advanced AMD. The results are published on-line ahead of print in the British Journal of Ophthalmology . "Data from the present study al...

Crustacean shell with polyester creates mixed-fiber material for nerve repair

...hree materials, the chitosan-polyester weave showed the most consistent performance for strength, flexibility and resistance to compression under both dry and wet conditions. Under wet conditions, which the researchers say best mimics those in the body, the chitosan-polyester blend required twice as much...

Scientific evidence of health problems from past contamination of drinking water at Camp Lejeune is limited and unlikely to be resolved with further study

...various toxic industrial solvents, including PCE -- which entered the groundwater as a result of spills and improper disposal practices by an off-base dry cleaner -- and TCE from on-base spills and leaks from underground storage equipment. Considerable public controversy grew over the potential health c...

'Honey bee health' of concern at Western Apicultural Society conference

...burg, Sonoma County. The main conference sessions will take place in the dry Creek Inn and Krug Event Center, 198 dry Creek Road. "The conference provides an opportunity to learn about bee...

Nontoxic hull coating resists barnacles, may save ship owners millions

...ning your air conditioner with the windows open," Genzer said. Barnacle buildup also forces owners to remove ships from the water and place them on dry docks for cleaning. This expensive procedure costs ships valuable time at sea when they could be making money. For many years, ship owners fought ...

Non-toxic hull coating resists barnacles, may save ship owners millions

...ning your air conditioner with the windows open," Genzer said. Barnacle buildup also forces owners to remove ships from the water and place them on dry docks for cleaning. This expensive procedure costs ships valuable time at sea when they could be making money. For many years, ship owners fought ...

NASA uses satellite to unearth innovation in crop forecasting

...s to germinate and for crops to grow. But record droughts and scorching temperatures in certain parts of the globe in recent years have caused soil to dry up, crippling crop production. The falling food supply in some regions has forced prices upward, pushing staple foods out of reach for millions of poo...

Jeepers creepers: Climate change threatens endangered honeycreepers

...cant role than temperature in determining tree line and the upper extent of forest bird habitat, the authors wrote. The inversion layer forms as cool, dry air meets warm, moist air, creating an inversion layer that caps moisture and cloud development between 5,900 and 7,900 feet (1,800 and 2,400 meters)....

Human role in Indonesian polluting forest fires -- Guido van der Werf in Nature Geoscience

... The large forest fires that sweep through Indonesia in dry periods are not only the result of severe drought. A team of researchers, i... this has only been the case since 1980. Kalimantan was fairly resistant to dry periods up until 1980, but since then Kalimantan has become far more prone ...

Better water use could reduce future food crises

...orm the basis for a new green revolution. It may also provide the basis for building resilience towards more frequent and intense floods, droughts and dry spells under human-induced climate change. "We show that investments in current technologies and improved green water use can promote more robust,...

Photoselective film proves effective for controlling height in potted gardenia plants

...nches and under the low tunnels. Plant growth indicators (including main shoot length and leaf area and lateral shoot number, leaf area, and fresh and dry weight) were determined along the growth cycle. According to Kittas, "The research revealed that photoselective plastic films with high values and...

New technology shows promise against resistant staph infections

...ned NO delivery by developing a method of generating NO from sodium nitrite within a novel nanoparticle formulation. The nanoparticles are stable when dry and resemble a fine white powder when present in large amounts. "As the particles take on water, they loosen up and the nitric oxide slowly trickle...

NASA study says climate adds fuel to Asian wildfire emissions

...e 1997 event, the region has been hit by two major dry spells and a steady upswing in fires, threatening ... data, finding that wildfire emissions rose during dry El Nio seasons. The Indian Ocean dipole phenomenon...uring moderate El Nio years in 2002 and 2006, when dry season rainfall was half of normal, fire emissions...

Drugs needed to preserve eggs for reproduction need to be given in stages

...ily. "With conventional cryoprotectants, you have to store them in liquid nitrogen. With this, you can just put them in a freezer or transport them on dry ice," Dr. Eroglu says. Additionally, the more dramatic temperature shifts put additional stress on already stressed eggs. Improved transportability...

Purdue study finds dairy better for bones than calcium carbonate

...e growth and strength. Connie Weaver, distinguished professor and head of the food and nutrition department, found that the bones of rats fed nonfat dry milk were longer, wider, more dense and stronger than those of rats fed a diet with calcium carbonate. Calcium carbonate is the most common form of ca...

American Chemical Society's Weekly PressPac -- April 22, 2009

...ese hydrates to similar-sized pellets made of normal ice (frozen water) and dry ice (frozen carbon dioxide) after sprinkling them onto several small, caref...lso used less water than ordinary ice and released less carbon dioxide than dry ice, they note. Grinding the pellets into smaller pieces boosted their flam...

Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes

... to measure properties such as porosity, temperature, and water content. This kind of testing is particularly important when an upper layer of soil is dry and an underlying layer wet. Then the upper layer becomes unstable and landslides can occur. Zhiqu Lu of the University of Mississippi will report...

Fire is important part of global climate change, report scientists

...th costs, report the authors. The authors state, "Earth is intrinsically a flammable planet due to its cover of carbon-rich vegetation, seasonally dry climates, atmospheric oxygen, widespread lightning, and volcano ignitions. Yet, despite the human species' long-held appreciation of this flammability...

Field Museum paleontologist leads study on two new dinosaurs from China

...s as those found in Gansu, but very few others. Interestingly, horned dinosaurs and sickle-clawed dinosaurs tend to dominate red rocks deposited under dry conditions across almost all Cretaceous localities in the Gobi Desert, whereas tyrannosaurs, ornithomimosaurs, and duck-billed dinosaurs tend to occur...

Plants could override climate change effects on wildfires

...tation in determining wildfire frequency. Despite a transition from a cool, dry climate to a warm, dry climate about 10,500 years ago, for example, the researchers found a sharp ...

Live-in domestics: Mites as maids in tropical rainforest sweat bee nests

...counts went down. It is pretty clear that the mites clean up the cells where the young are growing," Biani said. In return, the mites receive a clean, dry home, fungus to eat and free bee rides to new nests. ...

Indigenous peoples at world summit to share climate change observations, coping techniques

...in precipitation and an increase in forest fires; Guyana: Indigenous peoples have adopted a nomadic lifestyle, moving to more forested zones in the dry season, and are now planting manioc, their main staple, in alluvial plains where, previously, it was too moist to plant crops. Indigenous Peoples ...
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