Tag: "western" at biology news

Component of volcanic gas may have played a significant role in the origins of life on Earth

...nt world over 3.5 billion years ago in what is now western Australia. These most likely evolved from some simpler life forms because, like all modern life, cyanobacteria are highly sophisticated living organisms--with cell walls, complex metabolism, and DNA genes. The question of the origins of life is: what...

Drought in the West linked to warmer temperatures

Severe drought in western states in recent years may be linked to climate wa...Science Foundation (NSF). Analyzing aridity in the western U.S. over the past 1,200 years, the study team, which also included scientists from the University o...

Military hazards are greater for Native Americans, according to sociological research

... most part, the expansions occurred throughout the western United States, where by the 1930s much of the Native American population had been relocated to government reservations. "These lands were remote, had a low population density and could be acquired in a very short period of time because the federal go...

International marine survey of coral death

...llence: Australia, the Philippines, Mexico and the western Pacific island nation of Palau. In addition to research, the project also aims at scientific training and capacity-building at the centers. The ambitious project has a lot of questions to answer. Among them: Does coral disease prevalence correlate ...

Safety of bismuth bullets questioned: Study

...hunters from First Nations Cree communities in the western James Bay region, who eat the birds as part of their traditional diet. Bismuth behaves in a ballistically similar way to lead and is cheaper than steel shot, making it the preferred alternative. But the researchers found what they believe are anal...

Plant pathologists offer soybean rust identification and management tips

...egion, and the Appalachians and less severe in the western Great Plains and northern Great Lakes area," he said. Soybean rust is caused by two fungal species--Phakopsora pachyrhizi and Phakopsora meibomiae. The more aggressive species, Phakopsora pachyrhizi, is the type that has been detected in the U.S. S...

What women want makes a difference

...lis ) that occur in the same environment along the western United States and can interbreed where they meet. In the open-access journal PLoS Biology , Daniel Ortiz-Barrientos and his colleagues present the first high-resolution analysis of "species reinforcement genes" that account for heightened discrimin...

Census of Marine Life - Discoveries and Highlights 2004: Scientists add 4m+ records, 13,000 species

...this endangered fish, known to spawn only in a few western U.S. rivers. Comparing Past and Present Populations By studying historical fisheries records, Census researchers can compare present populations and use this information to predict population trends. Among discoveries i...

The lost genetic legacy of American gray wolves

...imately 400,000 wolves existed historically in the western coterminous US, suggesting that past ecosystems were dominated by gray wolves and were profoundly altered by their absence. Professor Robert Wayne, one of the researchers on the project based at UCLA concludes: "Our results imply that current res...

Wolves gone, western ecosystems suffer

...tood, but helps explain many major problems facing western streams, forests and wildlife. "It would appear that the loss of a keystone predator, the gray wolf, across vast areas of the American West may have set the stage for previously unrecognized and unappreciated ecological changes in riparian...

New monkey discovered in Northeastern India

...India. On the strength of one such expedition into western Arunachal Pradesh in 2003, the state government has now created a new protected area--the Tsangyang Gyatso Biosphere Reserve. Madhusudan added: "This region of Arunachal Pradesh, with its rugged mountains and extensive forest cover is truly one...

Latest census finds more American pika populations disappear as climate warms

...r talus at high elevations in the mountains of the western United States and southwestern Canada. Hikers in the western mountains are perhaps most familiar with the call of the American pika, often heard when human visit...

Ocean colour satellites guide research ship through South Pacific's watery desert

...lled east towards the Marquises Archipelago, whose western waters exhibit extremely active marine life, possibly due to an enrichment of iron from the islands. However the waters to its east have a similar high nutrient level but low chlorophyll levels the hope is that detailed analysis of samples gathered ...

Holes in fossil shells show effects of competition and evolution

...e extinction and recovery of marine species in the western Atlantic at the end of the Pliocene Era. In the lab, under competitive conditions, 37.5% of the shells showed edge drilling, while only 2.6% did in unstressed conditions. Pliocene fossils had edge drilling present in 15 of 23 (65.2%) localities. In s...

Unusual reproductive behavior of odd ants surprises scientists

...ts are one of the largest insect societies in the western United States, with ranges covering hundreds of miles and nests so large they're visible from airplanes. "This is the ant that runs the west it's everywhere," Rissing said. The researchers had noticed that in certain areas mainly southeastern Arizo...

ASU students host first annual Western Regional Bioethics Conference

... numerous sponsors, undergraduates from across the western United States will have a unique opportunity to exchange ideas with experts from all over the country. Senior Ryan Childers, President of the ASU Bioethics Club, describes the conference as "an unrivaled opportunity for students to examine major issu...

NASA research to aid federal invasive species council efforts

...Salt Cedar, is an invasive plant widespread in the western United States. It replaced native species and may have significant negative effects on water resources. "NASA is pleased with this invitation from NISC. The agency is eager to continue our active engagement in applied research projects whose results ...

Story tips from the Department of Energy's Oak Ridge National Laboratory, February 2005

...ining biomarkers and isotopic data from rocks from western Australia and southern China, Turgeon and colleagues theorize that many areas of the world's oceans became oxygen-depleted and sulfidic. This made the oceans and atmosphere toxic to living organisms. The researchers' conclusion was supported by the f...

Heroes of the sea, Pew Fellows' fifteenth class tackle sharks, reefs, mangroves and more

...his Pew Fellowship to work with communities in the western Pacific's Solomon Islands. Through education and collaboration, he aims to establish a network of Marine Protected Areas designed to preserve resources and vulnerable species such as coconut crabs, sea turtles, and sea cows. Dr. Miriam Fernandez, a...

International HapMap consortium expands mapping effort

...and Utah residents with ancestry from northern and western Europe. No medical or personal identifying information was obtained from the 270 donors. However, the samples are identified by the population from which they were collected. Although any two people are 99.9 percent identical at the genetic level, un...

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(Date:4/23/2014)... contribute to early fetal death according to a new ... Children,s Hospital Los Angeles and Ulaanbaatar, Mongolia the ... paper published today in the journal BMC Pregnancy ... between seasonal ambient air pollutants and pregnancy loss in ... the highest levels of air pollution of all world ...
(Date:4/23/2014)... Like a hungry diner ripping open a dinner roll, ... must tear open a hydrogen molecule. Now researchers have ... the two halves of its hydrogen feast. The view ... make the catalyst work better for alternative energy uses. ... shown precisely where the hydrogen halves end up in ...
(Date:4/23/2014)... research shows that male black widow spiders prefer their ... example of mate preference by male spiders. ... and Maydianne Andrade, a professor in UTSC,s Department of ... the wild that males overwhelmingly chose to mate with ... can tell whether a potential mate is well-fed and ...
Breaking Biology News(10 mins):Pollutants from coal-burning stoves strongly associated with miscarriages in Mongolia 2Halving hydrogen 2Halving hydrogen 3Halving hydrogen 4Picky male black widow spiders prefer well-fed virgins 2
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