Tag: "under" at biology news

Climate change could doom Alaska's tundra

...ill be gone by 2100, less than a century from now, under one of the climate models projecting the most extr...o the most extreme climate scenario, and 8 degrees under a more conservative scenario. There are some variables that could affect these projections,...

National Academies Advisory: Sept. 18-19 Nanotechnology Conference

Research on nanotechnology is under way in a wide range of disciplines from cell biology to computer engineering to optics but scientists are often unaware of developments in fields other than their own. At this conference, 100 leading researchers will gather to explore the future of...

UCSB professor and director receives two national awards

...t also internationally." NCEAS, initiated in 1995 under UCSB professors William Murdoch and Michael Goodch...ented endeavor. The program has been so successful under Reichman's guidance that the NSF has adopted the model for other disciplines, said Andelman. Also t...

Lehmann lovegrass won't succumb to fire

...ses, he said. To keep prescribed burns under control, many land managers prefer to burn grasslands in the spring, when the plants and soil have more moisture, and the temperatures are cooler. The fire's temperature could affect how well a particular type of grass responds. After a...

An exotic grass kills trees by hijacking their water

...felgrass. The next year, he removed the grass from under some of those trees and repeated the experiments. Removing the buffelgrass significantly reduced the trees' water stress. The grass is reducing the water available to the trees, he said. "This means that in any given year the water deficit experie...

New England forests at greater risk from air pollution

...ty," says Will-Wolf. "This ability may be impaired under certain conditions." Recognizing the potential of ...egional pictures indicating which forest areas are under the greatest threat from air pollution. These pictures, notes Will-Wolf, look different between the ...

Ecologist calls for creation of an international panel to assess human behavior

...ersities, but they are in severe danger of sinking under the weight of the conservatism of the majority of their faculties,'' he continued. ''Universities must be reorganized to become agents of change in the 21st century. The need for such reorganization is most apparent in the social sciences.'' As an e...

Droughts like 1930s Dust Bowl may have been unexceptional in prehistoric times, new study suggests

...o deduce climate changes -- or the lack of them -- under way at the time?" Clark said. When he and his colleagues finally determined the correct intervals between samplings was about once every decade, "the patterns just jumped right out at us," he recalled in an interview. "We were seeing these very coher...

Warmer weather, human disturbances interact to change forests

...rs of change in a forest in northwestern Wisconsin under three climate scenarios. In one scenario, they assumed no change from current temperature and precipitation conditions; in the other two scenarios, they used data from global forecasts that predict a hotter, wetter climate. The model also took into a...

Study finds anti-HIV protein evolved millions of years before the emergence of AIDS

...itive selection, indicating that the gene has been under pressure to evolve throughout history. But lentiviruses the family of viruses to which HIV belongs have been found in only some of the primates studied and appear to be at most 1 million years old. "What is novel about our findings is that scientis...

Save the rainforest - eat a tree

...y destructive behavior keeps dominant tree species under control but allows other trees to thrive. "Th...et roofs without sides, to make sure trees planted under them were exposed to insects but got the same amount of light as trees in the enclosures. ...

Whale carcass yields bone-devouring worms

...ing the two- to seven-centimeter-long female worms under a microscope, they discovered that most females had dozens of microscopic male worms living within their bodies. These male worms looked as if they had never developed past their larval stage-their bodies still contained bits of yolk-but they also co...

Forest fire sensor inspired by nature

...e all the known IR-sensitive animals being studied under the roof of one research institute....

Ancient brewery discovered on mountaintop in Peru

...s into the fire. As a result of having been buried under collapsed walls, the ruins of the Wari settlement on Cerro Bal are well preserved. Archaeologists discovered Cerro Bal in the early 1980s and conducted preliminary excavations in 1989. Extensive investigations have been underway for the past five ye...

Reaching for the gold

...prove the consistency of the athlete's performance under the stress of Olympic competition?" U.S. Diving Team The researchers' unique modeling has been instrumental in a number of sports training programs, most notably the U.S. diving team. McNitt-Gray takes her lab on the road and works with athletes...

Newly designed nanoparticle quantum dots simultaneously target and image prostate tumors in mice

...e researchers injected human prostate cancer cells under the skin of mice to promote growth of solid prostate tumors. They then encapsulated quantum dots, made from cadmium selenide, within a highly protective coating called an ABC triblock copolymer, and over-coated the particle-polymer composite with p...

NIH renews funding for continued Rb2 tumor suppressing gene research at Temple

...ditional patents have been filed and currently are under examination. Furthermore, he has received international recognition on several occasions, including being awarded the Irving J. Selikoff Award for Cancer Research and the Rotary International Award, Lions Club Napoli-Europa, for outstanding achieveme...

Fluid derived from aloe plant prolongs life after hemorrhagic shock in animal study

...es, trauma is the leading cause of death for those under the age of 40. In the United States, traumatic injuries result in approximately 150,000 deaths per year; complications resulting from the loss of large amounts of blood account for almost half these deaths. In addition to Drs. Fink, Kameneva and M...

CBEN wins grant for undergraduate nanotech course

...try and anthropology this fall. The grant, awarded under NSF's Nanotechnology in Undergraduate Education program, allows Rice to join a small but growing number of schools offering undergraduate nanotech classes aimed at preparing students for a future in which nanotech is an integral part of the technolog...

Researchers find that color perception is not innate, but acquired after birth

Rearing experimental animals under special illumination, researchers have found new evidence that early visual experience is indispensable for the development of normal color perception. The wavelength composition of the light reflected from an object changes considerably in different...

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