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Tag: "extending" at biology news

One species, many genomes

... of the main reasons for conduction the study. "By extending these types of studies to other species we hope to help breeders to produce varieties that are optimally adapted to rapidly changing environmental conditions," explains Weigel. He is already collaborating with the International Rice Research Institut...

Envisat captures first image of Sargassum from space

...rly explorers. Our observations of Sargassum lines extending over large areas of the Gulf show that in this area and season it represents a significant fraction of marine primary productivity." Marine primary production is the process by which floating vegetation, such as phytoplankton and seaweed, absorb ...

Antarctic icebergs -- Hotspots of ocean life

...n miles long and more than 120 feet high, with one extending nearly 1,000 feet into the depths. Despite the risks of getting close to these mountains of ice – which can shed huge pieces or overturn without warning – the scientists began their shipboard sampling mere hundreds of feet from the icebergs and c...

How to look at dinosaur tracks

... may expose prominent layers of concentric circles extending from the former location of the true track. These “undertracks?reveal the squishing and displacement of sand when the heavy dinosaur took a step. “The tracks and undertracks of large theropods found in the [Middle Jurassic] Entrada Sandstone at th...

It's never too late to get it back! Aging interrupted

...ere are no authentic “anti-ageing drugs?capable of extending the lifespan of healthy people. The technique we have developed allows us to screen a relatively large number of drugs in months rather than years. The hope is that these drugs will be able to extend the lifespan of healthy animals, and possibly, af...

Stem cells act through multiple mechanisms to benefit mice with neurodegenerative disease

...ive disease, significantly preserving function and extending life. The mouse model chosen falls in a class of genetic diseases that afflicts 1 in 5000 patients, typically children (called lysosomal storage diseases, described in more detail below), but which is often used to model an array of...

'Night owls' report more insomnia-related symptoms

...to compensate for their nocturnal sleeplessness by extending their time in bed and being able to gain more total sleep time, according to a study published in the April 15th issue of the Journal of Clinical Sleep Medicine (JCSM). The study, authored by Jason C. Ong, PhD, and colleagues at Stanford University,...

Are journal rankings distorting science?

...d consider solutions to the problems. For example, extending the citation surveillance period, applying weightings to adjust for the average number of references across journals, or scoring journals on only their most important papers. It’s easy to criticise bibliometrics, but we should attempt to refine th...

New research says winning a Nobel Prize adds nearly 2 years to your lifespan

...eer status boost of the award that is important in extending lifespan. The researchers also looked to see if the number of nominations for a Nobel Prize had any effect as a number of the scientists in the survey had been nominated for the award several times. They found that the number had no effect- actual...

Custom-made cancer cell attacks

...nesia, the Philippines, the acreage of palm oil is extending very rapidly because palm oil can be converted to biodiesel with a quite high efficiency and very low capital investment. But is it worse for the environment than climate change? That's the question.'' According to Somerville, ''Climate change thr...

Cellulosic ethanol: Fuel of the future?

...nesia, the Philippines, the acreage of palm oil is extending very rapidly because palm oil can be converted to biodiesel with a quite high efficiency and very low capital investment. But is it worse for the environment than climate change? That's the question.'' According to Somerville, ''Climate change thr...

Scientists unlock secret of what makes plants flower

...ance across food and non-food species, for example extending production seasons or designing plants better adapted to changing climate." ...

Mosquito genes explain response to climate change

...nse and dormancy. "Climate changes already are extending the growing seasons," Holzapfel said. "We know that portions of the country are becoming warmer and dryer than others. Plants and animals are not confronting this stress directly, but rather they are flowering, reproducing and going dormant at diffe...

'Ancestral eve' was mother of all tooth decay

... tree with its roots in Africa and its main branch extending to Asia. A second branch, extending from Asia back to Europe, traces the migration of a small group of Asians who founded at least one g...

Meat and two neutrons -- the key to a longer life

...could be used routinely. Previous successes in extending lifespan have involved withdrawing food to the point of near starvation, a process called caloric restriction. ...

Lizards 'shout' against a noisy background

... a tree trunk, bobbing their heads up and down and extending a colorful throat pouch. They can spot a rival lizard up to 25 meters away, said Terry Ord, a postdoctoral researcher at UC Davis who is working with Judy Stamps, professor of evolution and ecology. The lizards' signals need to be strong enough fo...

Stress hormones may play new role in speeding up cancer growth

...re sensitive to anti-cancer therapy, and therefore extending the patient's lifespan and improve their quality of life."...

'Super' enzyme may lead way to better tumor vaccines

...he key to boosting the effect of tumor vaccines by extending the lives of dendritic cells, the immune-system master switches that promote the response of T-cells, which attack tumors, said researchers at Baylor College of Medicine in a report that appears in the "advance online publication" section of the curr...

Carnegie Mellon scientists use 'green' approach to transform plastics manufacturing

...duction of higher molecular weight chains, thereby extending the range of accessible materials that could be made using this method. For example, chemists could grow high molecular weight polymers with precise control, providing even larger templates for nanoscale carbon structures used in computer screen fiel...

Study offers window into human behavior, brain disease

...d at each end, with only a few dendritic processes extending away from them ?were localized in only two regions of the frontal lobes. The cells received only limited attention in the ensuing years, but in the meantime scientists determined that the brain regions in which von Economo neurons arise -- the ante...

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