Tag: "sustain" at biology news

Poorer farmers benefit most from organic practices

...r resource poor farmers, improve food security and sustain and enhance the environmental resources on which agriculture in the South depends. It argues for an increase in funding for research and extension services for the organic sector and developing innovative ways of promoting knowledge transfer between ...

Alien life forms more likely to be found outside solar system, says Colorado prof.

... system outside Earth doesnt seem too promising to sustain life, but we dont know what kind of extreme conditions conducive to life may be found elsewhere in the universe." Pace gave a talk, "Molecular Perspectives of Extreme Life," at the 2002 American Association for the Advancement of Science meeting in B...

Corals are being robbed of light

...Florida Keys are getting barely enough sunlight to sustain themselves. The reefs are functioning close to the...the reef corals in some areas is really too low to sustain dynamic growth," says Yentsch. "I think it's had a major effect." However, the two biggest causes o...

Purdue to help NASA create life-supporting ecosystem in space

...rative," meaning biological organisms will help to sustain a life-supporting environment. But engineered syst...le, how much food-crop area do you need to grow to sustain a crew of six people on Mars?" Mitchell said. "Since the crops will be putting out oxygen that peopl...

Does a vegan diet have a moral basis?

...egan diet, in agricultural systems large enough to sustain the human population. "Over the years that I have been studying animal rights theories, I have never found anyone who has considered the deaths of - or, the 'harm' to - animals of the field," Davis said. "This, it seems to me, is a serious omission....

Small research big on Illinois campus

...ission of the lab, which is to create, support and sustain an environment that facilitates advanced research not only in photonics and microelectronics, but in biotechnology and nanotechnology, as well. While the Micro and Nanotechnology Laboratory is a research facility available to scientists both on and o...

Massive icebergs may affect Antarctic sea life and food chain

...of the entire ecosystem inthe Ross Sea, since they sustain marine mammals and birds inthe region. During periods where there are no large icebergs,phytoplankton thrive, and so do those organisms that feed onthem. The region also is home to 22 percent of the worldpopulation of circumpolar Emperor penguins and...

New findings represent the first aerobic capacity QTLs identified in genetic models

...ls have enhanced aerobic capacity. The ability to sustain efficient oxygen utilization is a quantitative trait influenced by the interaction of multiple genetic and environmental factors. This has been evidenced by previous studies on the genetic nature of aerobic endurance capacity in humans that suggest ...

Can we enlist substitute genes to fight muscular dystrophy

...k as part of the complex network of molecules that sustain muscle tissue through wear and tear. In healthy muscle tissue, dystrophin works as a sort of shock absorber to keep the cell membrane from tearing apart during muscle contraction. Since it is so similar to dystrophin, utrophin can also function as th...

'Nature' report: Researchers genetically alter mosquitoes to impair malaria transmission

...gin with, that means conditions are appropriate to sustain a large population of mosquitoes. If genetically modified mosquitoes were released into an area where the local population has been destroyed, they would occupy that niche. Jacobs-Lorena said this type of population replacement could be tested in the...

Brain signal boosts as monkey nears reward

... top center of the brain, the signal is thought to sustain the goal-driven behavior and then shuts off when the reward is assured. Signal alterations may underlie abnormal activity detected in the brain area, the anterior cingulate cortex, in disorders of motivation and reward expectation, such as obsessive...

Mooney to receive 2002 Blue Planet Prize in recognition of pioneering ecological research

...on, and utilization of, the natural resources that sustain us all," Mooney said. Plant ecology Mooney - the Paul S. Achilles Professor of Environmental Biology and senior fellow, by courtesy, at Stanford`s Institute for International Studies - was recognized for introducing physiological methodology to the...

Fungi help some trees weather acid rain, not all

...ation are most pronounced in tree species that can sustain the right kind of mycorrhizae on their roots -- spruce, fir and most other coniferous varieties, as well as certain hardwoods, such as oaks. And a lesser benefit might accrue to trees species with the "wrong" type of root fungi -- including ash, bass...

Clover strip-cropping in cotton provides critical habitat for threatened songbirds

..., but still provides enough structure and cover to sustain beneficial insects, some of which move into the cotton plants where they help control pest insects. Dr. Alton Walker, an independent crop consultant in Wrens, Ga., has been fine-tuning the technique for years. Researchers found that birds flocked to ...

Washington University receives $2.2 million funding from Howard Hughes Medical Institute

...from the HHMI program. "The grant will allow us to sustain successful programs in undergraduate research and K-12 science outreach while funding innovative new curriculum in the natural sciences," said Elgin. "We're constantly moving to institutionalize the successful efforts in science education. The will...

Acetaminophen may protect against heart damage according to Rutgers research

...its on the inside of their walls, their ability to sustain adequate blood flow diminishes. According to the American Heart Association, heart disease is the country's number one killer of both men and women. In 1999 alone, it claimed nearly 700,000 lives. Merrill described his research as part of a grow...

Scientists find cause of dead crabs, fish off coast

...archer on the PISCO project. "That means it cannot sustain most marine life. "It is almost an unprecedented event around here," he added. "We have a lot of researchers who have been studying this part of the coast for more than 25 years who have never seen such a situation." Brian Grantham, a research asso...

New threat to commercial fishing

...tion, a dangerously low genetic base from which to sustain a population," says Adcock. "With a high effective...the minimal level of genetic diversity required to sustain a commercial fishery long-term, but there is enough evidence now to suggest we need to be cautious a...

Hibernators may hold the key for better human organ preservation

...ws hibernators to use minimum amounts of energy to sustain themselves by using stored body fat throughout the winter. The condition is further characterized by, a heartbeat slowed to just a few beats per minute, going long periods without taking a breadth, and reduced blood flow to the regions of the body. ...

After massive experiment, results favor wildlife corridors

...ng populations, and theoretically they should help sustain networks of populations existing in increasingly fragmented landscapes," Tewksbury said. The research team also included zoologists Nick Haddad, of North Carolina State University, Brent Danielson of Iowa State University, Sarah Sargent of Allegheny ...

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