Tag: "competition" at biology news

Genome tools pass big test in fruit flies

...several different softwareprograms. "This kind of competition showed that some programs worked better thanothers, but the important outcome is that people will be able to take theseresults and improve their software," said Rubin. "We will have a better set ofcomputational tools as a result."...

USGS fire research in the southeast

... of fire. Pines benefit from fire by reducing competition from hardwoods, says Snyder.Pine seeds germinate and survive better when mineral soil is exposed. And manyherbaceous species flower very little unless they have been burned recently.When fire is suppressed, hardwood species quickly outcompete the pin...

USGS studies wildfire ecology in the western United States

...ay for sequoia regeneration. "The hot spots reduce competition so that the sequoia seedlings have chance," Stephenson says. Sequoia seeds require contact with bare soil in order to germinate, and this is possible only when fire has cleared away the layers of leaf litter and debris. The loss of fire in sequo...

Biosensor expected to improve food safety

...prove food processors' operations, but it has some competition from othertechniques. One that is under development is an electrochemical scheme that canreportedly detect pathogens at 100 to 1,000 cells per milliliter. Anothertechnique already in use is a DNA-based method called PCR. While extremelysensitive, it...

Researchers say hormones are key to evolution of insect metamorphosis

...n insects with complete metamorphosis, the lack of competition betweenjuveniles and adults for food is a major factor in their success anddiversification, the husband-wife team said. Adults can feed on one source, suchas nectar or blood, and only lay eggs when there is appropriate food for theiryoung, such as du...

Biodiversity as insurance in the face of change

...ral question of biology: Just why are diversityand competition so important to balancing the overall health of ec...c journal. The primary result of the study is that competition between animals, plants andother forms of life is a sideshow. Instead, the true measure of a communi...

Breast-feeding plays second fiddle to work, study finds

...study co-author. "There is competition between breast-feeding and employment," he said. "In our study, the women who worked full-time represented the lowest percentage of breast-feeders, while the women working one to ni...

Consumerism, e-commerce and biotechnology to cause changes in health system over next decade, says PricewaterhouseCoopers study

...products and services as well ascreating increased competition for capital investments. "The Internet gives the advantage of speed over size and bureaucratic healthcareorganizations could fail in this race to smaller, adaptive entrepreneurialventures. We foresee new types of business models such as virtual med...

Global warming threatens state's quality of life

...ck said. Agriculture could be hard-hit in a water competition with domestic and industrial use, a battle already ongoing as the state's rapid population growth and development continue. Particularly vulnerable would be crops such as grapes, cotton and alfalfa that require large irrigation allotments. Hotter, ...

Biodiversity yields dividends, finds pan-European research

...rate leaching, decomposition, canopy architecture, competition and population biology of species involved. The experimental manipulation of plant species diversity significantly changed the dynamics of those ecosystem processes. It affects ecosystem functioning and population dynamics. The productivity decrease...

DFG to set up 21 new collaborative research centres in 2000

...ch-centres programme remains as high as ever. More competition means that a growing number of applications for the institution of collaborative research centres are being rejected, in all 10 from the last 31. Equally stringent criteria are also being applied to extending the duration of promotion for existing co...

UCSF School of Medicine receives $3.8 Million grant for biomedical research

...edicine was one of the largest awarded by HHMIin a competition among more than 100 medical schools for a total of $92 milliondollars. The grant will be paid over a four year period, and may be spent onjunior faculty start-up, shared facilities used in multidisciplinary research,and pilot research projects. In 1...

Creatine may improve performance during short bursts of activity

...erence between winning a competition and failing to qualify for that competition, Leenders said. Neither the male nor the female swimmers showed improvement in the 25-yard swims. This could be related ...

Cooperation, not competition, to usher in new era of federally funded cancer research

... new millennium, cooperation rather than keen-eyed competition may signal a new era of federally funded research ...science do so independently, are worried about the competition and who gets the credit. Now each team will have some money to work on their own animal models, and ...

Researcher finds alternatives to antibiotics for growing chickens

...lower-growing animals, which would put them out of competition in the industry." Feeding animals antibodies and CLA, rather than antibiotics, will allow breeders to select for animals with stronger immune systems, according to Cook. That would lead to animals better able to fight off infections on their own,...

Last unidentified sport fish in North America gets a scientific name

...future problem is whether the shoal bass will face competition for food and habitat as other species of fish are introduced into Southeastern rivers, he said. "Now that we finally have formal recognition of this new species of bass, we can move forward in carrying out conservation programs and habitat protectio...

'Roadmap' to guide U.S. photovoltaics industry in 21st century

...search, technology and manufacturing, faces strong competition from Europe and Japan. "The fastest growing market segment is for applications that connect directly into the electricity grid in Europe and Japan," Barnett said. "The driver in Europe is concern for the environment. The will of the people ha...

Genes pertaining to 'maleness' evolve more rapidly than their non-sexual counterparts

...th numerous males during her receptive phase. The competition to attract a mate, as well as internal sperm competition, puts intense pressure on chimp male genes to evolve rapidly. Conversely, gorillas employ a harem system where one high-ranking male has access to several females who mate only with him. In...

Complex mystery of amphibian decline calls for a new kind of science

...e included habitat loss through human development, competition with or predation by introduced species, pollution and climate change. Unfortunately, even all these diverse factors cannot adequately explain many of the known cases, which include multi-species extinctions on nature preserves and other relatively p...

UCSD-Salk Institute awards presented to Christopher Reeve, Dr. Donald Seldin, Genentech, Inc. and Dr. Dennis Slamon

...basic research in health. Injured in an equestrian competition in 1995, Reeve is a powerful spokesperson for people with disabilities and for the profound impact medical science can have on everyone's life. The UCSD-Salk Institute Translational Medicine Award, for pioneering scientific and clinical work that lea...

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