Tag: "western" at biology news

Amphibians and crippling parasites

...ny of the abnormalities found in amphibians of the western United States. In the research article Parasite (R...infection linked to amphibian malformations in the western United States, appearing in the May issue of the Ecological Society of Americas journal Ecological M...

Widespread amphibian deformities caused by parasite

...a legs in frogs, toads and other amphibians in the western United States is most likely caused by infection w...encies of 0-5 percent. But at several sites in the western U.S., the level of these deformities has been climbing to 15-20 percent, and in some sites ranges fr...

Natural cholesterol-lowerer shows the way

...an literature," said Moore. The only report in the western medical literature combined the extract, called guggulipid, with a cholesterol-lowering diet that reduced cholesterol 10 percent. The addition of guggulipid added another 10 percent reduction. This study identifies FXR as a target for companies dev...

Ominous signs of cryptic marine invasions

...itant of shallow coral reefs, may have invaded the western Atlantic in fouling communities on ships over the ... recent mixing of brittlestar populations from the western Pacific and Indian Ocean. Populations in the Eastern Pacific look relatively more isolated and stabl...

Twelve new coral and fish species discovered off Madagascar

... of 340 species previously recorded for the entire western Indian Ocean and representing more than one-third of the world's total known species of hard corals. Fringing one-sixth of the world's coastlines and supporting hundreds of thousands of animal and plant species, coral reefs are the most biologically ...

University of Southern Mississippi's 'safari' targets baby bluefin tuna

... by sargassum, a floating brown algae found in the western Atlantic and the Gulf. The sargassum mats and weed lines are potential habitat for the bluefin larvae. Through exploration using remotely operated vehicles, video, divers, and a variety of sampling gear in a related study supported by the Missi...

First primate archaeological dig uncovers new tool development links

...tudy of chimpanzees use of hammers to open nuts in western Africa may provide fresh clues to how tools developed among human ancestors. A paper published in the May 24 issue of the journal Science documents the first archaeological examination of a non-human primate workplace and establishes new links betwe...

Archaeological journey reveals new information on chimpanzee stone tool technology

...or has been documented only among chimpanzees from western Cte d'Ivoire, Liberia and southern Guinea-Conakry. How old is this behavior? Have nut-cracking techniques changed over time? To answer these questions, a unique collaboration of scientists - Christophe Boesch, an expert in chimpanzee behavior of the...

Biocontrol backfires again

...anus) is from Eurasia and is being released in the western U.S to control Canada thistle, which despite its ...l has been widely released in the U.S., notably in western national parks, forests and monuments. However, Louda and O'Brien reanalyzed the 1990 results and fo...

Want to save gorillas? Enforce laws, experts say

The most immediate threat to western gorillas is not habitat destruction as previously ... which recently met in Leipzig, Germany to discuss western gorilla issues, concluded that simple enforcement of existing laws to stop poaching is the key to en...

Study offers a rare view of how species interactions evolve

...have coevolved in a variety of habitats throughout western Idaho and adjacent areas of Washington and Oregon....f the most widespread plant-insect interactions in western North America. This kind of variation in coevolutionary selection pressures across a broad area may ...

Had your morning coffee? Thank a killer bee

...ollinators. African honeybees took up residence in western Panama in 1985, according to Roubik; shortly thereafter, they were the major pollinators of coffee growing near forests at 1,500 meters (4,921 feet) above sea level. To test the idea suggested by his first work in 1997 that maximum yield occurs at ...

UMass researcher helping the EPA to determine health effects of spent rocket fuel

...eponderance of contamination has been found in the western United States, in areas of Nevada and California. And, because water is believed to be the primary source of the contaminant, it's extremely difficult to determine how much is safe within a given water supply. "There are so many variables," explaine...

Wild plant or food plant?

...ometime after the last ice age, inhabitants of the western hemisphere began to select and cultivate food plants. Plant remains at archaeological sites may not be well preserved, but features often contain phytoliths, tiny silica dioxide deposits from plant tissues. These destinctive microfossils have been u...

The effects of human-caused atmospheric changes on tropical forests

...of the tropics, and large lianas have increased in western Amazonia. Such widespread changes over such large areas suggest that a common mechanism is at work. How resistant are tropical forests to declining precipitation? Daniel Nepsted (with collaborators P. Motinho, M. Dias-Filhod Ray, D. Ray, L. Solorzano...

Trees encroaching grasslands may lock up less carbon than predicted

...six experimental field sites from eastern Texas to western New Mexico, where original species of grasses and ...d on he soil underlying what had been southern and western grasslands. "This kind of analysis for grassland soil carbon was something new," Jackson said. "It h...

Researchers aim to control treatment-resistant head lice

...nt. His group is aware of resistance in Boston and western Massachusetts although they have not yet measured the level of resistance, he added. Clark and Yoon are the first researchers to develop an artificial feeding system that allows them to raise their own mutant lice for study. "Our work is the first re...

Macarthur Award winning physiologist to present Scholander Award and lecture

...nationally established line separating eastern and western management zones for the bluefin fishery. This research has momentous implications for steps underway to preserve the species and policies adopted by leading tuna fishing nations. In 1996, Dr. Block was a recipient of a MacArthur Foundation Fellows...

Plant compound kills brain tumor cells

... from a weed that grows in mountain meadows in the western United States kills the cells of an aggressive brain cancer that affects some children. The compound, cyclopamine, blocks a signaling pathway that appears to be important for the survival of medulloblastoma, a form of cancer for which there is no eff...

Endangered chimpanzees focus of urgent action

...t -- Endangered with imminent extinction, Africa's western chimpanzee is the focus of an urgent action plan t... Dr. Rebecca Kormos, CABS research fellow. The western chimpanzee, one of four subspecies of the common chimpanzee, has already disappeared from three coun...

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(Date:4/22/2014)... scientists have found a way to block abnormal cholesterol ... atherosclerosis, the main cause of heart attacks and strokes ... condition develops when fat builds inside blood vessels over ... reducing their ability to feed oxygen-rich blood to the ... of experiments, described April 7 in the journal ...
(Date:4/22/2014)... (SALT LAKE CITY)A computational tool developed at the University ... with unknown gene mutations in three separate cases, U ... new study in The American Journal of Human ... Re-ranking tool), identifies undiagnosed illnesses and unknown gene mutations ... proteins that code for genes are made, in individual ...
(Date:4/22/2014)... is available in German . ... of the University of Vienna and the Medical University of ... shown how double stranded RNA, such as viral genetic information, ... the immune response against viral infection, the protein ADAR1 moves ... modifies viral RNA to inhibit reproduction of the virus. But ...
(Date:4/22/2014)... influenced by low exposure to testosterone in the womb, ... men,s testosterone levels may be determined before they are ... the hormone than others is important because testosterone is ... hormone have been linked to obesity, diabetes and heart ... for producing testosterone in adults known as Leydig ...
(Date:4/22/2014)... waited in line and most of us have gotten ... like. , For Will Mather, assistant professor of ... Integrated Science Curriculum, studying lines, or queues, has been ... bottlenecks that limit the recycling of proteins. , The ... professor, has received attention from the National Science Foundation ...
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