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Tag: "coming" at biology news

Beyond the book: Software automates access to brain atlases

...cluding spatial maps and alphanumeric information, coming off a single interface. It includes all the information in the printed volumes, in a much more accessible form. It does so without violating copyright, Burns said. Publishers of the atlases make available to purchasers of the volumes the plates inc...

Coral reefs are increasingly vulnerable to angry oceans

... and amplify the damage done by tropical storms in coming decades. Other effects of global warming could limit the capacity of the reefs to bounce back from periods of high wave forces, according to the researchers. For example, episodes of unusually hot temperatures can cause corals' cells to become toxic...

Getting to the heart of the heart

...ead of multiple different cell types migrating and coming together to form the heart, the heart comes from stem cells that give rise to multiple cell types in the same local environment ?a simpler way of building the organ. And because these cells can make multiple cell types, they could be more useful in r...

Commercial fishing causes dangerous fluctuations in fish populations

...lation close to collapse, with very few young fish coming into the group to replace those being caught." Professor Beddington adds that the increased variability has serious implications for the way in which fish stocks are managed: "Typically fish populations are managed by governments setting total all...

Wolves are suffering less from inbreeding than expected

... of the Scandinavian wolf population. A study just coming out in the new journal PLoS ONE now demonstrates that inbreeding is not affecting the wolves as badly as expected. The results show that it is the most genetically variable wolf individuals that are recruited into the breeding population. An importan...

Steep oxygen decline halted first land colonization by Earth's sea creatures

...evel dropped it had to be hard for the vertebrates coming out of the water. I wonder if there is a minimum level of oxygen that has to be reached or nothing could ever have gotten out of the water." Dinosaurs first appeared in the last part of the Triassic period, about 230 million years ago. That was du...

A reason why video games are hard to give up

...t those that do may be the best at keeping players coming back."...

Stormy days ahead for coral reefs

... and amplify the damage done by tropical storms in coming decades. Moreover, other effects of global warming and human activity could impair reefs' capacity to bounce back from periods of high wave forces, say the researchers. These include episodes of unusually hot temperatures, which can cause cora...

Fire ant-attacking fly spreading rapidly in Texas

...rous, it's also because they are diverse in kinds, coming after worker ants in many different ways at once," says Gilbert. "Different phorids specialize on small or large workers, on distinct chemicals laid down by the ants on trails, on time of day and on season and so forth. Our goal is to copy what we be...

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

...to achieve a goal, such as reading the word "dog," coming up with verbs associated with the word "dog" or de... at what's called random generation tasks, such as coming up with random words. So there is some other evidence that the cingulate really is an important cont...

3-D ultrasound scanner could guide robotic surgeries

...artificial intelligence technology improves in the coming decades, the scanner might even be able to guide surgical robots without the help of a surgeon, the researchers said. The 3-D ultrasound probe has yet to be tested in human patients, Smith said, but he added that his team believes the technology is...

Important gene controlling tree growth and development found

... for a long time that the trees sense that fall is coming by measuring the length of the day. When the days get shorter the trees "know" that it is time to stop growing and set buds, even if it is a very warm fall. The trees are known to display a "critical daylength". If the days get shorter than this crit...

New strategy developed to combat West Nile Virus

...s before recovering from the illness. "It is this coming together of factors that leads to the spread of the disease," Shaman said. "But because the amplification is concentrated ?in time and space ?it does make it easier to devise control strategies. Chemical application is the most likely scenario, but b...

Bacteria have their own immune system protecting against outside DNA

...arning how bacteria respond to genetic information coming from outside sources. Just as immune cells recognize and attack foreign invaders in the human body to protect against harmful infections, single-cell organisms have a protein called H-NS that recognizes foreign DNA and prevents it from becoming activ...

Pollutant haze heats the Arctic

...ike pollution and couldn't figure out where it was coming from," Garrett says. The Inuit (Eskimos) called it "poo-jok." Scientists already knew particulate pollutants make clouds more effective at reflecting sunlight, which reduces surface temperatures. So the newly discovered effect is a surprise. "Wha...

Report warns about carbon dioxide threats to marine life

...It is clear that seawater chemistry will change in coming decades and centuries in ways that will dramatically alter marine life," says Joan Kleypas, the report's lead author and a scientist at the National Center for Atmospheric Research (NCAR) in Boulder. "But we are only beginning to understand the compl...

Scientists tie several cancers to common 'oncogene engine'

... these diseases, and patients have already started coming from throughout the country to enlist in our trial." The transcription factor family is collectively known as MiT. Its kingpin, a protein called MITF, is needed by the body to develop normally functioning melanocytes, the pigment-producing cells of ...

Immune system police learn early and sometimes badly

...zyk. "What do they recognize? We know now they are coming from the thymus but how they are being generated is still a question. We want to look into the nature of antigens those receptors recognize which will allow us to predict more how they are being developed in the thymus." ...

Arctic expedition will investigate alien-like glacier

...ystem for this spring and where all this sulfur is coming from," Beauchamp said. "This is a very unusual feature on the earth's surface and it's an extreme ecosystem that could be a good model for how life first begins in a harsh environment." The spring has also attracted the attention of the Canadian Sp...

Scientists solve sour taste proteins

... exactly how the brain would interpret the signals coming from the tongue to tell the difference between lemons and lemonade," Matsunami said. Future experiments using live animals as test models will be needed to answer remaining questions about taste sensation, he said. ...

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