Study Of Origin Of Species Enters The Molecular Age
... they areunder extreme pressure due to the intense competition among males to fertilizeeggs. "The idea is that something might pop up that gives one male an edge inthe race to reproduce," says Wu. "The advantageous gene will be selected forand passed on to male progeny." Usually sexual advantages in mal...AAAS Announces The Winners Of Its Science Journalism Awards
...ience Journalism Awards, anational science writing competition sponsored by the Whitaker Foundation: • John M...iation's annual meeting in Anaheim,California. The competition was open to newspaper and magazine articles as well as radio andtelevision shows that were originall...Clemson Fire Ant Research Uses Biological Approach
...onmentally sensitive management strategies, suchas competition and predation by native ants, other potential parasites andpredators, and tests to determine the ecological peculiarities of the ants inNorth America." This work is funded by the state General Assembly and the USDA throughthe research system...New Worlds Of Order, Argentine Ants Succeed By Outnumbering The Competition
... native ants in the study were subject to a common competition trade-off;their interference ability and their exploitative ability were found tocorrelate negatively. The colonies had to either search for food or fight, andcould only succeed at one task by sacrificing the potential success of theother. In con...... state's developed water resources, withincreasing competition from urban and environmental sectors. In this panel, somekey players in state and federal water policy-making outline new strategies forensuring efficient water resource management in the next century. Henry J. Vaux Jr., UC associate vice president ...UF Researcher: New Techniques Help Reconstruct Ancient Diets
...her divide up the food supply in order to minimize competition for the sameresources, he said. "This is a milestone study," said John M. Rensberger, a professor in thedepartment of geological sciences and curator of vertebrate paleontology at theUniversity of Washington's Burke Museum. "The research by M...... circle, the scientists show that an object ofthis competition was the phosphate recipient Ena, the protein known to interactwith profilin. One reason this work appears complicated is that even though theresearchers have established a sequence of players, they still do not fullyunderstand the precise rel...Controlling Problem Snakes: Saipan Benefits From USGS Research
...years ago. In theabsence of natural predators and competition by other species, the brown treesnake has become a common pest, causing major ecological and economic problemson the island. The snakes have virtually eliminated all of Guam's native forest and sea birds:12 bird species, some found nowhere else, h...Studies Document Ease Of Ecosystem Disruption
...ct constantly through such mechanisms aspredation, competition and disease," Sanford said. "Because of that, an impacton a keystone species may cascade through the community and cause a relativelyquick, system-wide impact." The new study reported in Nature, on the other hand, looked not so muchat the ke...A Mother's Love? New UD Theory Explains Why Good Insect Moms Risk Death To Save Their Only Children
...rawling withpredators, Wilson predicted, increased competition for resources may trigger theevolution of parental care. Tallamy contends, however, that Wilson's theory is too broad. "According toWilson, if you have very rich food resources, like dung, then everything isfrantically competing for it, and parents h...In Animal Groups, Scientists See Patterns That Could Predict The Future
...ns. "As resources are strained, it creates greater competition within the group.That has implications for all things human," Parrish says. Humans are among the most social species and display all sorts of crowdbehavior, no matter whether the individual knows the person in the next seat. "With models, we may be ...Story Tips: Engineering Students Pursue Cutting-Edge Research
...er members ofthe JohnsHopkins team drove it to the competition last summer. But as the students testedthe vehicle in a hotel, an ungrounded electrical outlet "fried" some crucialcircuits, causing JANUS to place lastamong four entries. Undaunted, an expanded student team is improving the vesseland preparing to en...First Great American Bluebird Count
...r populations plummeted because of development and competition withnon-native, cavity-nesting species, such as house sparrows and Europeanstarlings. Pesticides also are believed to have had an adverse effect onbluebird nesting success. Fortunately, bluebirds will use nest boxes, or birdhouses, as they are morec......his new initiative is the first HHMI international competition to focus onscientists conducting research on a spe...lar geographic region. HHMI plans to carry out the competition throughnominations rather than applications by individual scientists. It is contactingexperts in inf...Understanding Earth's Underwater Forests: Kelp Demography Off The Coast Of California
...nd reproduction by thelight-limited conditions and competition with Macrocystis during La Nina periodswhen Macrocystis thrived. When El Nino conditions led to poor Macrocystisgrowth, the understory kelps did much better. "By doing small scale experiments over large scales, researchers can gain a muchmore realis......same name.Categories in the rigorous international competition for the James S. McDonnellCentennial Fellowship - a one-time grant that honors the 100th anniversary ofMcDonnell's birth - ranged from astrophysics and cosmology to human genetics.Kruglyak, one of two winners in genetics, accepted his award in April ...Pacific Northwest developments earn spots in top 100 list
... The magazine conducts the annual R&D 100 Award competition to honor themost promising new products, processes, materials or software developedthroughout the world. Awards are based on each achievement's technicalsignificance, uniqueness and usefulness. Pacific Northwest researchers havereceived 51 R&D 100 Aw......most offspring. "Not only are the flies in competition with each other to mate with afemale, but their sperm are in competition to fertilize the eggs once inside thefemale," says Catherine Price, PhD, first author of the July 29...World's biodiversity becoming extinct at levels rivaling Earth's past 'mass extinctions'
...n harsherenvironments, for example, or survive the competition with weedy species. About30 percent of the world's 300,000 plant species are in cultivation now, "whichprovides a good start for conservation," according to Raven. The paper outlines an seven-point plan to slow the extinction rates of plantsaround t...Universities to compete in second annual autonomous underwater vehicle (AUV) competition
...nvited to static judging on Saturday, and Sunday's competition is open to thepublic. ONR's involvement in the ev...ns,undersea warfare and mine countermeasures. "The competition has beendesigned to stimulate and challenge a new generation of engineers to performrealistic missio...