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Tag: "capabilities" at biology news

Envisat captures first image of Sargassum from space

...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 estimates of Sargassum biomass and its contribution to ocean productivity. "So far, we have found two...

St. Jude study shows genes play an unexpected role in their own activation

...ght cause effects ranging from learning and memory capabilities to glucose production in the liver. The “on switch,” a protein called CREB, is a transcription factor—a molecule that binds to a section of DNA near a gene and triggers that gene to make the specific protein for which it codes. CREB activates genes...

Hearts of male and female rainbow trout are different

...tion may help define habitat suitability, swimming capabilities and health status of wild and hatchery-reared rainbow trout, and human heart disease, sex-specific treatment. ...

Gene mutation linked to cognition is found only in humans

...nsiderable difference in the mental and linguistic capabilities between the two species. A new study showed that a certain form of neuropsin, a protein that plays a role in learning and memory, is expressed only in the central nervous systems of humans and that it originated less than 5 million years ago. The stu...

The sturdier sex? -- Study by Pittsburgh scientists finds female stem cells work better

... first ever to report a difference in regenerative capabilities of muscle stem cells based on sex. This finding could have a major impact on the successful development of stem cells as viable therapies for a variety of diseases and conditions, according to the study’s senior author, Johnny Huard, PhD, director...

Novel antigen-cloning technique may boost efforts to develop a melanoma vaccine

... they don't have the ability to call upon the full capabilities of the immune system, as do the helper T cells." The new tumor antigen discovered in her lab, RPL8, is an ideal vaccine candidate because it has the potential for eliciting both helper T cells and CTL responses, Herlyn says. RPL8 is a protein invo...

Computer scientists join in search for ivory-billed woodpecker

...respectively. "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...

Birth rate, competition are major players in hominid extinctions

... She adds that modern humans may have had storage capabilities that Neandertal did not. There is evidence that modern humans did have the capacity to store food and water in the late Pleistocene. No evidence exists that Neandertal could store either. Both Neandertal and modern humans suffered from the prima...

Lead-'scrubbing' drug may also improve muscle function in lead-exposed children

...known to be associated with decreased intellectual capabilities and balance disorders among infants, children and teens....

Biologically inspired sensors can augment sonar, vision system in submarines

...an artificial device that mimics the functions and capabilities of the biological system." In fish, the lateral line provides guidance for synchronized swimming, predator and obstacle avoidance, and prey detection and tracking. Equipped with an artificial lateral line, a submarine or underwater robot could simi...

Williams College biologist explores photosynthetic apparatus

...d the effects of temperature on the photosynthetic capabilities of this ecologically important marine cyanobacterium. She hopes that the project will lead to a marked improvement in the ability to accurately model primary production in ocean ecosystems, as well as to a better understanding of the mechanics an...

Drug treatment improves learning in mice with Down syndrome symptoms, Stanford/Packard study shows

...ed that PTZ treatment did not improve the learning capabilities of normal mice. "We’re not in the business of cognitive enhancement," said Fernandez. "Basically, we have something that could be one part of the many different medical and environmental interventions that may allow kids with Down syndrome to live...

New science of metagenomics 'will transform modern microbiology'

...bacteria to express proteins that are screened for capabilities such as vitamin production or antibiotic resistance. The Research Council report was requested by several federal agencies interested in the potential of metagenomics and how best to encourage its success. In particular, the committee was asked t...

NASA snow data helps maintain nation's largest, oldest bison herd

...s at Yellowstone. This project lets them know what capabilities we have and enables us to try different ways to incorporate NASA data and technology into their whole bison management program. It's a wonderful chance to aid in wildlife management."...

Lungs try to repair damaged elastic fibers

...ng that contradicts the conventional wisdom on the capabilities of the adult lung. The study "Evidence for attempted regional elastic fiber repair in severe emphysema," was done by Jason Woods, Kristin Castillo, Alexander Patterson and Richard Pierce of Washington University, St. Louis, Mo.; Joel Cooper of the U...

Neuron cell stickiness may hold key to evolution of the human brain

... sequences in the human genome responsible for the capabilities that distinguish us from the rest of the animal kingdom," said Rubin. "We have long suspected that it would be a combination of DNA sequences coding for genes and DNA sequences that control when genes are switched on or off. In this study by compar...

Novel experiment documents evolution of genome in near-real time

...ysis, and could even be used to discover bacterial capabilities that would benefit humankind in a variety of ways," said Herring. "There may be a number of biotech companies that want to use this new approach to help design bacteria to do useful jobs." UCSD's office of Technology Transfer and Intellectual Prope...

Robotic whiskers can sense three-dimensional environment

...iskers that sense in two dimensions, mimicking the capabilities of mammalian whiskers. They demonstrate that the arrays can sense information about both object shape and fluid flow. A paper about the arrays, which may find application on assembly lines, in pipelines or on land-based autonomous rovers or underw...

Muscle and bone from an ink-jet printer

...ontrol of stem cell differentiation, are important capabilities if researchers are to engineer replacement tissues that might be used in treating disease, trauma, or genetic abnormalities. Spatial patterning of stem cell differentiation through delivery of bio-inks with an ink-jet printer will offer the Pittsburg...

Microbe fixes nitrogen at a blistering 92 C

...use. The discovery of FS406-22's nitrogen fixing capabilities at 92 C, therefore, widens the realm of where life can grow in the subseafloor biosphere and other nitrogen-limited ecosystems, perhaps even on other planets, Mehta says. Scientists have speculated since 1981 that nitrogen fixation was occurring at...

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