Tag: "sustain" at biology news

Good things, small packages

...ence in the electronics industry and to create and sustain regional jobs in electronics packaging. Its a big ...s, but also to the accompanying loss of revenue to sustain research and development critical to the development of next-generation products. Without the avail...

Minority and underrepresented scientists in cancer research supported by AACR

...e faculty members and their students to pursue and sustain their careers in cancer research. The 2003 award recipients are listed on the attachment. The AACR-Women in Cancer Research Council works to promote and increase the professional development and achievements of women in the field of cancer research. ...

Genome of a major member of gut bacteria sequenced

...ding the evolutionary processes that establish and sustain beneficial symbiotic relationships between bacteria and their hosts. "By peering into ourselves and studying the genomes of our co-evolved bacterial partners, we have an opportunity to address fundamental questions about ecology and evolution and abo...

Exploring the sights and sounds of a deepwater coral marine protected area off Florida

...t the southeast U.S and the Gulf of Mexico to help sustain declining reef fisheries, particularly snapper and grouper. Research at the Oculina Banks will provide crucial information to aid managers in making decisions about the new MPAs, including whether to extend the closure of the Oculina MPA beyond its c...

Nature designs hard and tough materials at the nanoscale

...te structure, the mineral crystals must be able to sustain large tensile stress without fracture. The tensile strength of mineral crystals is the key to the composite strength. Using a series of equations, the scientists illustrate that cracked mineral crystals below a critical nanometer size, estimated at 3...

Chronic alcohol abuse damages regulating hormones

...ical and psychological stress-response systems can sustain damage despite many months of abstinence. "Vasopressin, or AVP, is a hormone that is also part of the stress regulatory system," said Ehrenreich. "In previous work, we showed that circulating levels of AVP are persistently suppressed in alcoholic p...

Ancient pollen yields insight into forest biodiversity

...understand forest biodiversity and the forces that sustain or reduce it, said Clark. According to Clark, two basic hypotheses have arisen to explain forest biodiversity. One theory holds that stabilizing forces are required for many species to coexist. "For example, one might imagine that, if one species i...

Migration takes guts

... diet high in energy was all that was necessary to sustain migratory flight. But the URI researcher said that proteins are also needed to build the digestive tract. This need for protein may have a significant impact on habitat management at key migratory stop-over sites. "To build their digestive tract, ...

Nanotech strategy could create new organs

...ces can efficiently supply oxygen and nutrients to sustain the viability of human liver and kidney cells for at least one week in the lab," says Kaazempur-Mofrad. Experiments showed that 96% of kidney cells survived for one week and 95% of liver cells survived for two weeks. They also implanted an experim...

Searching for the 'real' waterworld

...arth. While waterworlds seem to have everything to sustain life, there is a big question mark over whether they could actually allow it to start in the first place. One of the leading theories for life's origin in deep oceans is that it requires hot springs on the ocean floor, heated by volcanic activity li...

Purdue developing less costly model for studying human disease

...rested in the ones that become germ-line cells. To sustain stem cells long enough so they successfully differentiate into germline cells, Collodi and his colleagues grew the cells in a layer of trout spleen cells. "These spleen cells are making growth factors that kept our embryonic stem cells in a conditio...

Science picks: Leads, feeds and story seeds for August 2003

...ave mounting concerns over the region?s ability to sustain future growth. In response, USGS and its cooperative partners from area universities, state and local agencies, and public interest groups have formed the Great Valley Water-Resources Science Forum. The Forum links local needs and resources with USGS...

PNNL supercomputer fastest open system in U.S.

...cation between processors and allows scientists to sustain a high performance level. HP is providing services to customers that help manage, deploy and enhance the power and ability of supercomputing. "HP and PNNL are working together to create next-generation technical computing solutions that will support...

Schwab foundation names Victoria Hale a social entrepreneur for 2004

...he social conditions and/or institutions needed to sustain the initiative. 5. Direct positive impact: Has founded, developed and implemented the entrepreneurial initiative directly, together with poor or excluded beneficiaries and stakeholders. 6. Role model: Can serve as a role model for future social en...

Bracing is less effective in overweight teens with scoliosis

...h need to be of sufficient magnitude to create and sustain curve correction. However, because overweight patients have more and thicker soft tissue and surface area, researchers believe the effects may be compromised. "It's possible that extra body fat, particularly around the abdomen, ribs, hips and lower ...

Old drug works new tricks for iron overload heart disease

...transfusions that the patients receive in order to sustain life. In other cases, a common genetic defect in the control of iron intake into the body leads to excessive iron deposits into critical organs such as the heart. Our overall exposure to iron has increased through changes in diet and nutrition, they ...

Controlling the internal clock in darkness

...h other neurons in a cell-communication network to sustain the repeating circadian rhythm cycles. Clock cells within the brain maintain an organism's circadian rhythms, even in the absence of cyclical environmental signals like light, in a state scientists call "free running." Though it has long been clear ...

Staph aureus bacteremia in ESRD patients associated with substantial illness and higher costs

... New England Journal of Medicine. In an attempt to sustain efficacy beyond 8 months in these patients at chronic risk for Staph aureus infections, the confirmatory Phase III trial will also include a booster vaccination at 8 months. The vaccine's ability to generate antibodies, efficacy and safety will conti...

Collapse of seals, sea lions & sea otters in North Pacific triggered by overfishing of great whales

...he inability of sea otters, seals and sea lions to sustain increased mortality from redirected killer whale predation makes sense based on their much smaller aggregate biomass compared with the great whales. "After five years of examining this problem, I don't see any fatal inconsistencies with our hypothesi...

Are the bright colors of some avian eggs signaling female genetic quality to their mates?

...s to colour their eggs may signal that females can sustain the cost of removing them from metabolism. Egg ground colour has been shown to be heritable in some species and very variable within avian taxa, a typical characteristic of sexually selected traits. The hypothesis can be applied to all animals with ...

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