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Tag: "projected" at biology news

South America's vast pantanal wetland may become next everglades, UNU experts warn

...l biosphere, which is at present a carbon sink, is projected to become a carbon source." "The release, maintenance or enhancement of these stores under a changing climate will in turn potentially affect future climate change." As temperatures rise, species will migrate towards higher latitudes and altitudes ...

Researchers devise way to mass-produce embryonic stem cells

... traditional cell culturing methods can't meet the projected high market demand for stem cells," Yang said. He and Anli Ouyang, a doctoral student in chemical engineering, grew mouse embryonic stem cells in a bioreactor. Cell growth increased 193-fold in 15 days. At the end of that period, cell density ?the n...

Africa to take it on chin again with climate change

...o come. However, drought across southern Africa is projected to intensify further. Oceanic warming consistent with an increase in greenhouse gases appears to be a factor in these expected 21st-century changes to Africa's monsoons. James Hurrell of the National Center for Atmospheric Research (NCAR) will prese...

Secret of smallpox's success may lead to bioterror cure

... Jacob's work is on a fast-track, with the studies projected to yield a usable vaccine virus within eighteen months. At that point, the virus will go to a commercial manufacturer, who will be responsible for developing and then producing a complete nasal-delivery vaccine. If all is successful, a large number o...

$5.1 billion would save 6 million children

...l cost of treatment by over 60 percent, due to the projected reduction in child illnesses. Furthermore, the delivery of integrated preventive and therapeutic services would be far more efficient than parallel delivery of each intervention separately. "The focus is on community-based resources, which decrease ...

Storing carbon to combat global warming may cause other environmental problems, study suggests

...d most likely locate. Using a computer model that projected the likelihood of such conversions in return for payments of between $50 and $100 per ton of sequestered carbon, they estimated that 72 million hectares in the Southeast and Midwest might initially convert from non-irrigated croplands and pasture to ...

Older female fish prefer imperfect male mates, study finds

...s on each side. The animations simultaneously were projected on opposite sides of a tank, and researchers measured the time the female spent with each animation. While younger and smaller females still showed a preference for the symmetrical male, older and larger females increasingly preferred the asymmetrica...

New battery technology helps stimulate nerves

...ars," says West, whose organosilicon batteries are projected to power the tiny implantable devices for more than 12 years. In addition to implantable devices for medicine, lithium batteries are used in scores of applications, from spacecraft to iPods. Patented through the Wisconsin Alumni Research Foundation...

Genetic analysis of Asian elephants in India reveals some surprises

... sanctuaries or national parks. Moreover, India is projected to overtake China as the world's most populous country by 2030, a fact that almost certain to bring about increased competition for space between humans and elephants. Still, Melnick and his colleagues are confident that their work represents a cruc...

Human trial proves ricin vaccine safe, induces neutralizing antibodies; further tests planned

...ed with human-produced antibodies, the researchers projected that a RiVax-vaccinated human could withstand a lethal dose of injected ricin. According to the Centers for Disease Control and Prevention, such a dose for an adult is as little as approximately 500 micrograms of ricin, an amount that would fit on th...

World faces challenge as life expectancies lengthen, scientist says

...nti-aging therapies come into widespread use. This projected increase reflects a lifespan growth rate that is f... generation. By 2035, the U.S. dependency ratio is projected to double from approximately 1:5 to just above 2:5. Increased boomer lifespans will add an alarming ...

Treating populations infected with HIV and latent TB could speed the emergence of drug-resistant TB

...gy, developed a mathematical model to describe the projected impact of isoniazid preventive therapy (IPT) programs on the transmission dynamics of drug-resistant TB in areas where community-wide preventive therapy may be used as a strategy to control TB. They concluded that the implementation of IPT targeted t...

Purdue creates new low-cost system to detect bacteria

... the colony, and the pattern of scattered light is projected onto a screen behind the petri dish. This "light-scatter pattern" is recorded with a digital camera and analyzed with sophisticated software to identify the types of bacteria growing in colonies. "There are potentially thousands of applications for...

Food-crop yields in future greenhouse-gas conditions lower than expected

...major food crops grown under carbon-dioxide levels projected for the future are harvesting dramatically less bo...oxide simulating the composition of the atmosphere projected for the year 2050. SoyFACE has added a unique element by introducing surface-level ozone, which also...

MIT 'seeing machine' offers hope to blind

...laser opthalmoscope, or SLO. With the machine they projected a simple image directly onto the retina of one eye, past the hemorrhages within the eye that contributed to her blindness. The idea was to determine whether she had any healthy retina left. It turns out that she did, and was able to see the image - ...

Scientific issues associated with carbon-neutral energy sources such as cellulosic ethanol

... more energy from the sun each year than the total projected human uses in the year 2050, Somerville commented. Green plants growing throughout the world capture the sun's (solar) energy and convert it to bio-chemical energy in a process called photosynthesis. There are vast energy supplies of renewable plant...

Pollutant haze heats the Arctic

...represents the front line of climate change and is projected to warm at a rate at least double that of the Earth as a whole," says University of Utah meteorology Chair Jim Steenburgh, who wasn't involved in the study. "Although the importance of greenhouse gas emissions is well-documented, particulate pollutio...

Three-dimensional, miniature endoscope opens new diagnostic possibilities

...uman hair ?is broken into its component colors and projected onto tissue, with each color illuminating a different part of the tissue surface. The light reflected back is recorded, and the intensity of the various colors decoded by a spectrometer, which analyzes the wavelengths of light. Another device called...

Pressured by predators, lizards see rapid shift in natural selection

...grew ever more arboreal in habitat, the scientists projected that natural selection would begin to favor shorter limbs, which are better suited to navigating narrow branches and twigs. Their hypothesis was borne out. Six months after the introduction of the predator, Losos found that the Anolis population h...

First Biodiversity Census of coral reef ecosystems in the NW Hawaiian Islands

...ctuaries.noaa.gov/ . Furthermore, the results are projected to join coral reef biological data from the NOAA PIFSC Coral Reef Ecosystem Division and National Centers for Coastal and Ocean Science, which will be placed in the Pacific regional NBII Pacific Basin Information Node and global Ocean Biogeographic I...

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