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Tag: "area" at biology news

Key gene controlling eye lens development identified

...of Six3 significantly disrupted development of the area of the brain where the eye normally forms. The St....vity from the presumptive lens ectoderm (PLE)--the area of the developing head where the lens will ultimately form in response to a series of biochemical si...

Fire ant-attacking fly spreading rapidly in Texas

... as many as 12 different kinds of phorid fly in an area smaller than a football field. "No single phorid species will be a magic bullet," he says. Fire ants are not typically pests or even common in South America in large part because of harassment by the phorid flies. In the presence of these flies, ...

Alarming decline in Nepal's rhinos and tigers in former Maoist stronghold

...o populations, indicating widespread poaching. The area only became accessible for visits since the ceasef...Babai Valley. Thirteen tigers were reported in the area between 1998-2001 but the WWF team found evidence of just three. This significant decline is due to ...

Rhesus monkeys in Nepal may provide new alternative for HIV/AIDS research

... macaques in general given the past history of the area and the geographic barrier of the Himalayan Mountains that separates Nepal and India from China. To facilitate the use of rhesus macaques in research while ensuring the conservation of Nepal's naturally occurring rhesus populations, the Nepali gover...

Master planners in brain may coordinate other areas' roles in cognitive tasks

... results were very clear." For example, one brain area thought likely to be active in creating task sets, the dorsolateral prefrontal cortex, did not become active as consistently as the cingulate and the opercula. "We're not implying that this region isn't important," Petersen says. "In this study, th...

Scientist works to improve treatment for brain tumors

...e that question with the goal of identifying which area of the tumor to focus on to achieve maximum results. The drug is delivered to the tumor through small cathethers, allowing physicians to determine the amount and specific location of treatment. "With the help of this research grant, we hope to optim...

Plant-cell-produced technologies-cutting edge approach to bringing solutions to the market

...under the Seventh Framework Programme (FP7) in the area of biosciences for animal and human health. Two p... the EU's Seventh Framework Programme (FP7) in the area of biosciences for animal and human health. Science Conference "Innovations in Bioscience for Anima...

Tastes great! Study shows brain's response to pleasing -- and changing -- tastes

...s report the findings from direct monitoring of an area of the brain known as the ventral pallidum. Locate... able to track the activity of brain cells in that area while the rats received water, salt water and sugar water directly into their mouths. They also reco...

African wetland managers armed with new technology

... products and field work methods carried out in an area adjacent to the training facility. Remote Sensin...in 1971. Today more than 1 424 wetlands ?a total area of 129 million hectares ?have been designated as Wetlands of International Importance. The Ramsar Co...

Leptin has powerful effect on reward center in the brain

...c hormones directly regulate the ventral tegmental area (VTA) of the mid-brain has profound implications for how researchers view the integration of metabolic signals in the brain," said the senior author, Ralph DiLeone, assistant professor of psychiatry. In this study the researchers demonstrated that...

Worm links cancer risk to ageing

...ngine. This discovery has exciting potential as an area of inquiry into potential cellular links between ageing and cancer." The research, which was completed at the Buck Institute in California where Dr Lithgow now works, involved genetically removing checkpoint proteins in the microscopic worm C. elega...

Embryos exposed in 3-D

...icine, which includes cell therapy, is a promising area of scientific research with application in the treatment and cure of a rapidly expanding list of diseases and injuries. Scientists believe cell-based therapies could be used to repair damaged heart muscle following a heart attack, replace skin for b...

New technology enables faster, more efficient cell harvest: Cell therapy meeting study

...icine, which includes cell therapy, is a promising area of scientific research with application in the treatment and cure of a rapidly expanding list of diseases and injuries. Scientists believe cell-based therapies could be used to repair damaged heart muscle following a heart attack, replace skin for b...

Fire ants: Their true story told by the scientist who loves them

...corporate cattle farm just east of Tallahassee ?to area strip malls. The parking lot behind a local grocery store is a particular favorite. "Fire ants specialize in exploiting disturbed habitat, and they've thrived in part because humans have done a lot of disturbing," he said. Other fun facts center on...

Robots manipulating animal behaviour

... sensors. When dropped into a small experimental area with a maze of curved walls, the robots move, turn...lamp beam or even line up. When placed in the same area with cockroaches, the robots quickly adapt their behaviour by mimicking the animals' movements. Coat...

Race to halt global amphibian crisis boosted by rediscovery of endangered Colombian frogs

... feared extinct has made a new Colombian protected area the focal point for efforts to save amphibians fro...that the species can be saved in the new protected area or through captive breeding. The fungus has been found as close as 40 kilometers (25 miles) away on ...

Where have all the butterflies gone?

...is students have seen only one painted lady in the area in recent weeks, when the migration would normally occur. Apart from this year's weather, several species of California butterflies, including the large marble, sooty wing, Lorquin's admiral and the mourning cloak, suffered major declines in 1999 an...

Copying nature could save us energy, study shows

... of pollution we produce, biomimetics offers a new area of study which could reap strong rewards for the future." ...

Brain region linked to fly slumber

...at Northwestern University have pinpointed a brain area in flies that is crucial to sleep, raising interes...ertain, but Allada and colleagues show that if the area is destroyed chemically, flies sleep less. Mushroom bodies are known to have a role in learning and...

Species unique to tidal marshes face threats

...bout 45,000 square kilometers worldwide--about the area of Denmark. In comparison with other habitats, tid...level rise, both of which are rapidly reducing the area of tidal marshes. They are also threatened by toxic wastes and invasive species. Greenberg and his ...

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