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Tag: "beyond" at biology news

Human's ecological footprint in 2015 and Amazonia revealed

...research indicates land use in the Amazon goes far beyond clearing large areas of forest; selective logging and other canopy damage is much more pervasive than once believed. Deforestation causes collateral damage to the surrounding forests ?through enhanced drying of the forest floor, increased frequency o...

Selectivity is ultimate aphrodisiac

...ast, when you desire a potential partner above and beyond your other options, only then is your desire likely to be reciprocated. (Think hallelujah, finally, someone really gets me.) In the past, social psychologists have had a difficult time observing initial romantic attraction in action, but the spee...

New player in commitment to life as a fat cell

...ial therapeutic target for metabolic abnormalities beyond hyperuricemia," the researchers said. "To our knowledge, there have not been studies designed to explore the effects of XOR inhibitors on body weight, and in light of our findings, such studies may be warranted," they added....

'Guardian of the genome' protein found to underlie skin tanning

...id not tan. The implications of the research go beyond tanning. A common skin condition, especially among the elderly, is the development of small, dark spots that are unrelated to sun exposure. The spots arise when groups of cells begin producing pigment in response to repeated stress or irritation of t...

Tracking sperm whales and jumbo squid

..." the authors wrote. "Whales did occasionally dive beyond 500 meters, especially during daytime when the squid were deep, and we assume these also represent foraging dives." Night and day During the day, whales and squid spent about 75 percent of the time at depths ranging from 600 to 1,300 feet, wh...

Scientists uncover link between ocean's chemical processes and microscopic floating plants

...ges we have not even begun to think about, effects beyond acidification of surface seawater and greenhouse warming," said Donald Rice, director of NSF's Chemical Oceanography Program. Combining future experimental and modeling efforts will lead to a better understanding of the feedback systems between the...

Hotspots of mercury contamination identified in eastern North America

...hors conclude that reductions in mercury emissions beyond those currently under way will be needed to eliminate the element as a health risk to humans or to populations of loons. ...

McBride shows DNA detective work with paper-eating bacteria that 'glide'

...anol. McBride's interest in C. hutchinsonii goes beyond its possible value in bioenergy. What really intrigues him is that it's a "gliding bacterium," able to crawl rapidly over surfaces by an unknown mechanism, which is the main subject of McBride's research with another glider called Flavobacterium jo...

Sheffield scientists light up bacteria

...hool, the sensor will have widespread applications beyond the initial project. Dr Steve Rimmer from the University’s Department of Chemistry, said: "The project is a great example of progress that can be achieved at the life sciences/physical sciences interface and we hope the project will deliver techn...

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

...akthrough that says it’s possible to get sequences beyond one million years. At 68 million years, it’s still possible to get sequences," he said. In addition to the seven dinosaur sequences, Asara and his colleagues isolated and sequenced more than 70 protein fragments from a 160,000- to 600,000-year-old m...

Molecular differences between early and advanced melanomas could provide new drug targets

... surgically and have a survival rate of 98 percent beyond five years, according to the American Cancer Society. But when melanomas grow downward, the tumors become highly resistant to chemotherapy and radiation and the five-year survival rate falls rapidly, to 64 percent if the disease has reached the lymph...

Custom-made cancer cell attacks

... entire plant, not just the grains. ''To expand beyond 12 billion gallons, we need to use the body of the plants rather than use the seeds,'' Somerville said. He will discuss his research at 8 a.m. Saturday, Feb. 17, at the annual meeting of the American Association for the Advancement of Science in San ...

Cellulosic ethanol: Fuel of the future?

... entire plant, not just the grains. ''To expand beyond 12 billion gallons, we need to use the body of the plants rather than use the seeds,'' Somerville said. He will discuss his research at 8 a.m. Saturday, Feb. 17, at the annual meeting of the American Association for the Advancement of Science in San ...

Computer scientists join in search for ivory-billed woodpecker

...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 reportedly spotted in the Cache River National Wildlife Refuge. ...

Will the plague pathogen become resistant to antibiotics?

... that wild animals might be able to spread MDR far beyond the livestock where it originated, Ravel notes. "When we identified the first Y. pestis strain resistant to multiple antibiotics, we warned that if this type of strain spreads or emerges again, it would pose a serious health problem" says co-autho...

Microfluidic chip helps solve cellular mating puzzle

...lls is unbelievable," Levchenko said. "This is far beyond what you can do in a traditional biology lab dish that’s filled with a large colony of cells." Using cameras attached to a microscope, the researchers were able to view a microfluidic chip and study the mating behavior of yeast cells in response t...

Cryoablation -- A new treatment option for some kidney tumor patients

...ing a frozen margin of approximately 5 millimeters beyond the tumor edge to ensure death of the entire tumor. After the cryoprobes are removed, small bandages are placed over the skin puncture sites, and the patient spends one night in the hospital before returning home. Surgeons continue to seek less i...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

...f stable or growing shellfish populations in areas beyond the ray's northernmost limit. Ecosystem effects...ie emphasizes, "the real challenge will be to move beyond retrospective analyses and instead prevent ecosystem-wide changes from happening in the first place....

Molecular motors and brakes work together in cells

...he mother microtubule. In time, the daughter grows beyond the end of the mother to ultimately produce two microtubules, connected by the cross-linking MAP ase1p. "Imagine that the daughter microtubule is a short train on the track of the mother microtubule," explains Tran. "The molecular motor is the tr...

Mechanical 'artificial hearts' can remove need for heart transplant by returning heart to normal

...event atrophy and prevent the heart from shrinking beyond its desirable size. The drugs used were lisinopril, carvedilol, spironolactone and losartan in the first stage of treatment and bisoprolol and clenbuterol in the second. The next step for the researchers is a larger multi-centre trial named the Ha...

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