Tag: "how" at biology news
The CIA Would Like To Know What Scientists Are Seeing Over The Rainbow
...paring genomes from different species to determine how
genetic composition evolved over hundreds of thousands of years. Although Dorothy did eventually return to Kansas, the full-color wizardry of spectral karyotyping is here to stay, says Ried. "I receive about one phone call a day from people who wa...
Laser Microscope At Cornell Images Serotonin In Live Cells
...nt of individual granules in intact cells. Here is how
it works: A laser in the 700 to 750 nanometer wavelength (infrared) fires photons bunched in very short pulses (each 10-13 seconds or a 10 millionth of a millionth of a second), which are focused by the microscope so that there is a high probability...
Researchers Corral Millions Of Microscopic Membranes
... current methods, but it potentially could measure how
well the cells are functioning, Groves suggested. ... Harden McConnell. He and his students figured out how
to make two-dimensional membranes technically termed "supported lipid bilayers." They also di...
Penn State Wetlands Project Seeks Scientific Evaluation Criteria
...portrait of the state's wetlands is understanding how
wetlands function. "What we're missing is the p...r of landscape architecture, designed to discover how
wetlands function, including how
wetlands change over time and how
human disturbances affect their...
Birds Deal With "Cocktail Party Effect"
...itively simple, but scientists have beenpuzzled by how
the human brain is able to selectively focus onone... psychologistshave found. "The issue here is, how
can the bird hear these significantevents in the midst of other noises, which are other potentiallys...
Stronger Evidence That Global Climate Change Can Reduce The Variety Of Life
...pastglobal climatic changes. They measured how
trends in the biodiversity of fossilizedostracodes varied over a half-million year interval of alternating cold(glacial) and warm (interglacial) climates. The microscopic fossil shellswere preserved in deep-sea sediment cores recovered from the Nort...
Scientists Determine 3-D Crystal Structure Of Cancer-Causing Protein
...nal picture of a cancer-causing proteinilluminates how
a mutated gene transforms cells into cancer, repor...ure clarifies earliermodels that sought to explain how
the gene, called src , works and offersnew information for designing drug therapies to fight cancer...
Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders
....Some kids with OCD or tic symptoms never get over how
they're treated byothers. Our hope is that with more research, we can change the outcome forthese children." Leonard is professor and director of training for child andadolescent psychiatry in the Department of Psychiatry and HumanBehavior, Brown U...
Ten Years of Progress For Superfund Basic Research Program
...key toaccurate risk assessment is knowing not only how
much metal ispresent, but the exact form the metal is in. "For example, it's not uncommon for Gulf seafood to containarsenic," explained Caruso. "That could be a concern; however,it's not, because the form of the arsenic is totally innocuous.Chromium...
Duke University Students Devise Devices For The Disabled
...ving through a maze." Sensors also "keep track of how
many times it runs into things,"he said. "Then a m...ation and concoctsa score that tells the therapist how
well the child is learning to drive.Eventually, therapists can decide whether the child is ready to ...
Fund Aims To Repay Developing Nations For Valuable Genes
... issues, the world's leadersare still arguing over how
to share economic benefits from genetic resourcesbetween wealthy nations and the developing world. While the politicians wrangle, a young molecular biologist at the Universityof California, Davis, has quietly offered up a modest solution to the prob...
New Study Shows Steps Leading To Colon Cancer
...," the UNC-CH biologist said. "If we want to learn how
our own cells operate, it is a lot easier and fast...r said. "We believe this work is a good example of how
the investment pays off. It is extremely important to understand how
cancer develops. Once we unders...
Chemists Compute Answers To The Origin Of Gout
... The group has now a much better understanding of how
and when the molybdenum is involved in the catalys...ently under way at the new group are: A study of how
nitrogen gas binds to natural enzymes and is converted to fertiliser so effortlessly when, for the s...
Cell-Membrane Proteins Appear To Play Key Role In Squid's Swiftness
... the fast-slow sodium channel issue. They lookedat how
the channels are controlled by electric fields over a wide voltagerange, asking how
the fields may affect the rapid firing of nerve impulses. In May's Journal of Neurophysiology, they...
Purdue Researchers Prod Plants To Clean Up Pollution
...toxic sites in the United States, are unsure about how
well current processes will work on large projects -- and how
much a large-scale operation would cost. In one multinational effort, a New Jersey company is using ...
NIH Team Discovers Endocrine Tumor Gene
...from MEN1 and its protein product, called menin , how
endocrine tumors and cancers grow. The discovery also provides a target for the design of drugs to prevent or treat both benign and malignant endocrine tumors. The MEN1 gene, a tumor suppressor gene--a gene that inhibits abnormal cell growth--intrig...
New Vaccine Blocks Viral Entry In Cattle, May Have Implications For Human Vaccines
...steroids. The UW-Madison virologist doesn't know how
long the vaccine will protect cattle. He thinks such a vaccine would be short-lived, probably less than a year. But, he says, animals could be vaccinated over and over fairly easily. Letchworth has received a U.S. patent on the use of herpes viral g...
Project Shows Native Bacteria Can Destroy Widespread Pollutant In Groundwater
... basic processes involved well enough to determine how
the method will work in other areas contaminated w...ria and tested them in the laboratory to determine how
the bacteria would respond to the oxygen/toluene diet. In 1993, Stanford master's students designed ...
Emory Researchers Advance Gene Therapy Studies For Metastatic Melanoma Treatment
...r. They hope that the markers might also indicate how
the tumors would react to different therapies. The significant number of studies currently underway throughout the country on cytokine markers makes this a realistic goal for the near future. Drs. Ansel and Armstrong and their colleagues in Emory...
Hot 'Lanta: NASA, School Kids Team To Study How Trees Help Cities Keep Their Cool
... the two sets of data will help paint a picture of how
the city - and trees - affect local weather and ai...ries are expanding so rapidly that you have to ask how
they affect local and regional weather and,possibly even global, climate," Quattrochi said. That me...
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