New Cancer Switch Discovered By Duke Medical Center Pharmacologists
...ar sabotage" could become a useful treatment for a variety of cancers. The research by Pendergast and her colleagues was supported by the National Cancer Institute and the National Institutes of Health. Pendergast is a Whitehead Scholar and a scholar of the Leukemia Society of America. She is also a member o...Heat-loving Microbe Repairs Its DNA With Light
...y occur. "Photoreactivation has been observed in a variety ofmicro-organisms," said Grogan, "but its discovery in S.acidocaldarius raises particular questions about what it takes tosurvive in geothermal habitats. For example, are we to infer thatUV radiation is a significant threat to survival in these hig...From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...ity already has been shown by Cornell faculty in a variety of areas. W. S. Taft, professor of art, has used neutron induced autoradiography to peer beneath layers of pigments on a painting to see what lies beneath. As an experiment, he took a classical painting of a woman, painted an abstract modern painti......careful breeding, testing, and evaluation before a variety is ready for release. New grapes that have been b...in Bristol Springs, N.Y., who has been growing the variety since 1985 and making wine with it since 1990, has just started selling his 1994 varietal label, whi...Surprising Protein Movement Seen In Cells
...o the rest of the cell, where they areneeded for a variety of purposes. But these specific proteins are not transported; they aremysteriously retained in the organelle. Without the retention,the organelles would not function properly and vital lifeprocesses would break down. Scientists had proposed that the ...Salvage Gene Is At The Root Of Many Mutations
...tions -- by accurately repairing abasic sites in a variety of ways.But very rarely these cellular efforts at quality control fail, and it's at this desperate stage that REV1, the enzymediscovered by Nelson, Hinkle, and Lawrence, causes a mutagenic bypass to occur. "REV1, in its efforts to cope with DNA ...Human-Like Ability, Categorical Perception, Found In Insects
...abituate them back to normal behavior by playing a variety of sounds. Sounds between 5 and 16 kHz were different enough (from 20 kHz ) to change the insects' behavior, he demonstrated, and 16kHz was the dividing line. He showed that crickets label sounds above 16kHz as "foe" and those below as "friend," an...Researchers Find Genetic Clues To Intestinal Disease
... 400,000 people in the United States is actually a variety of related disorders that can be inherited and cau...chers found that, although the disease can cause a variety of symptoms, it tends to strike the same part of the intestine and cause the same symptoms in close ...Gene Discovery Could Overcome Aluminum Barrier To Higher Wheat Yields Worldwide
... USDA scientists conducted field studies of a taro variety called Lila. Taro is a tropical crop that produces... an excellent source of starch and minerals. This variety can triple the yield of this root crop on tropical farms because it is more efficient than other var...Duke's Russian Laser Making Ultraviolet Light And Gamma Rays
...light. FELs, incontrast, can be "tuned" to a large variety of different wavelengths.Also, FELs' beam pulse structures and power levels are extremely easy tomanipulate. FELs produce light by passing such free-electron beams through a seriesof magnets. As in all lasers, the energized electrons emit light, whi...Cornell Scientists Find Way To Boost Rice Crop Yield -- They'll Walk On The Wild Side
...YLD1 and YLD2. By recombining the QTL of the wild variety with the domesticated one, the researchers obtained between a 15 percent and 17 percent improvement in production. China produces 40 percent of the world's rice. The Cornell scientists collaborated with the Hunan Hybrid Rice Institute, in the Peopl...New Sensor Provides First Instant Test For Toxic E. coli Organism
...hether the bacteria are present (with the use of a variety of toolsranging from microscopes to dyes.) Another detection technique, now underdevelopment, relies on polymerase chain reaction technology to multiply theamount of bacterial DNA present in a sample to detectable levels. Several hours must pass, ho...Disease Resistance Mechanism Identified in Plants
...earchers first inserted the avirulence gene into a variety of tobacco plant that had been genetically engineered to carry the tomato resistance gene. The tobacco plant was used in this experiment because it was easier to genetically manipulate than a tomato plant. The result was a pattern of cell death or ...Mechanism For Disease Resistance Identified In Plants
...earchers first inserted the avirulence gene into a variety of tobacco plant that had been genetically engineered to carry the tomato resistance gene. The tobacco plant was used in this experiment because it was easier to genetically manipulate than a tomato plant. The result was a pattern of cell death or ...Bog Beetle, Misidentified For 85 Years, Is 'Discovered' At Cornell
...identification key and he was testing the key on a variety of specimens," Liebherr said. "Kip found that one of the specimens just didn't fit the key. We suspected we had something new. This species had somehow remained mixed into the Cornell collection along with another extremely common beetle species th...Penn State Wetlands Project Seeks Scientific Evaluation Criteria
... specific guidelines to describe and categorize a variety of wetland types, including natural wetlands used as reference sites for researchers and mitigation projects. A series of assessment techniques to help professionals evaluate restored or created wetlands have been developed during the study. "A ......oncert with our old and new partners andthrough a variety of efforts and products -- from maps and written reportsto our latest electronic home page on the Internet -- we are striving toserve every citizen every day," Eaton said. For FY 1998, the USGS budget includes a net increase of $6.5million ...Stronger Evidence That Global Climate Change Can Reduce The Variety Of Life
...dence yet that globalclimate change can reduce the variety of life forms on Earth, according toa report released Thursday (Feb. 13, 1997). "For the first time, we have been able to plot the ups and downs inbiodiversity in a particular group of animals through 11 complete periodsof drastic global clim......ns. "That's why ascorbic acid is thought to play a variety of critical roles in plants and animals," he said. Last indicated that an important goal of this research is to continually improve crop foods, some of which do not contain much ascorbic acid. "Although [it is] an important part of the diet, there i...... and soil.Different strains seem to degrade a wide variety of compounds." A second organism isolated and studied at UC belongs to thegenus Mycobacterium. This group includes the microbes which causeleprosy and tuberculosis, but the strain used at UC is a commonsoil bacteria which does not cause illness. What...