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Tag: "computers" at biology news

Envisat captures first image of Sargassum from space

...ng is that anything one computer can do, a pool of computers can do faster and better, enabling the solution of massively complex tasks beyond the capabilities of a single machine or local network. By using Grid technology, Gower and King intend to compute 5-years worth of MERIS data to determine global es...

Magnetic computer sensors may help study biomolecules

Magnetic switches like those in computers also might be used to manipulate individual strands of DNA for high-speed applications such as gene sequencing, experiments at the National Institute of Standards and Technology (NIST) suggest. As described in a recent paper,* NIST researchers fou...

Mimicking how the brain recognizes street scenes

... new approach. "People have been talking about computers imitating the brain for a long time," said Poggio, who is also the Eugene McDermott Professor in the Department of Brain and Cognitive Sciences and the co-director of the Center for Biological and Computational Learning at MIT. "That was Alan Turing'...

20-year study shows significant rise in childhood obesity, especially among girls

...t they spend more time in front of televisions and computers and tend to do less physical education at school than before" says Dr Holmback, who is also a visiting research fellow at the University of Chicago, USA. "As societies become more technological, various aspects of everyday life demand less and le...

Computer scientists join in search for ivory-billed woodpecker

... "Our goal is to use the emerging capabilities of computers and networks to better understand the natural world," Goldberg said. "It's very exciting to work with researchers in fields beyond engineering." The ivory-billed woodpecker seemed to have disappeared sometime in the 1930s or 1940s. In 2004, it was...

Stopping plants from getting sick

... the plant," says Kronstad. "In fact, genomics and computers have made this a lot easier during the last five to 10 years. Before it would take a graduate student all of his or her research time to sequence and characterize one gene. Now that we have sequenced the genome of a smut fungus, I can look through th...

New science of metagenomics 'will transform modern microbiology'

...d, new DNA sequencing technology and more powerful computers are allowing scientists to begin making sense of these metagenomic jigsaw puzzles. They can examine gene sequences from thousands of previously unknown microorganisms, or induce the bacteria to express proteins that are screened for capabilities suc...

Proteins may predict lung transplant rejection

...e conference. The researchers used the power of computers and new, sophisticated methods of analysis to find...thods from the field of bioinformatics (the use of computers and statistics to analyze and find patterns in scads of data). They hypothesized that proteins would...

Computer scientists unravel 'language of surgery'

...or too time-consuming. But to get to that point, computers first must become fluent in the "language" of surgery. This will require computers to absorb data concerning the best ways to complete surgical tasks. As a first step, the researchers...

Proteins may behave differently in natural environments

...olecules in a native-like environment. Then, using computers and the science of computational biology, they assemble tens of thousands of such images into three-dimensional models that demonstrate the dynamics of the proteins. When Ludtke and his colleagues followed this procedure with the GroEL mutant with...

Researchers image molecular motor structural changes

...tors capture the signal as it exits the target and computers re-create a three-dimensional model. Researchers have not yet been able to image motors bound to micotubules using x-ray methods due to technical challenges, they said. According to the researchers, the new motor-microtubule models provided structur...

On the golf tee or pitcher's mound, brain dooms motion to inconsistency

... primates simply aren't wired for consistency like computers or machines. Instead, people seem to be improvisers by default. A major conclusion of the study, in fact, is that movement variability is not primarily a mechanical phenomenon, as had widely been thought. After looking at neural activity and muscle...

Nanotubes used for first time to send signals to nerve cells

...ables that could lift payloads into Earth orbit to computers smaller than human cells. Thin films of carbon nanotubes deposited on transparent plastic can also serve as a surface on which cells can grow. And as researchers at the University of Texas Medical Branch at Galveston (UTMB) and Rice University sugg...

3-D model reveals secrets of metastasis

...maging Center has one of the most powerful sets of computers at MIT and the imaging processing and analysis went quite quickly. "Muhammad was successful for two reasons," says Matsudaira. "His computational model predicted what would happen in virtual experiments and then he was able to go straight to test t...

Snakes' virtual glasses, leopard spots and all-optical transistors

...ical advances, with the potential to revolutionize computers and communications. But all-optical devices built in the past have been far too large and power hungry to be practical. Physicists at the Queen's University in Belfast appear to have solved the problems with a prototype optical amplifier that is both...

Mapping the protein world

... by hand. Today macromolecular models are built by computers ?thanks to sophisticated software and in particular a package called ARP/wARP. Developed by Victor Lamzin at the Hamburg Outstation of the European Molecular Biology Laboratory (EMBL) and Anastassis Perrakis at the Netherlands Cancer Institute (NKI) ...

'Pinball protons' created by ultraviolet rays and other causes can lead to DNA damage

...ause lesions in DNA. The work was done entirely on computers in the Center for Computational Chemistry, part of the Franklin College of Arts and Sciences at UGA. "This kind of damage in DNA subunits is about as basic as you can get," said Schaefer. "This is the simplest kind of lesion possible for such a syst...

New GI technologies improve internal organ visualization

... represents an exciting breakthrough in the use of computers to properly administer and monitor sedation in patients undergoing a variety of procedures," said Daniel Pambianco, M.D., Charlottesville Medical Research and lead study author. "When used with a trained anesthesiologist, this device may help manage...

Penguins waddle but they don't fall down, UH researchers say

...ing patterns, have large, expensive and cumbersome computers built onto their "bodies" to keep them from tippin...nd run. His research can be used to build smaller computers for such robots that will become increasingly more life-like. "There is not much research on this ...

High-tech tags on marine animals yield valuable data for biologists and oceanographers

... The electronic tags are essentially miniaturized computers with various sensors on them. They can be fixed harmlessly onto the fur of a seal or sea lion, and will stay on for several months before falling off when the animal molts. Data recorded during a dive are transmitted to satellites when the animal com...

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