DNA Techniques Allow Scientists To Become Pollution Detectives.
... of all warm-bloodedanimals," said Mark Tamplin, a professor of home economics atUF/IFAS. "By testing the E. coli (present in fecal matter) forantibiotic resistance and looking at the DNA chains, we can tellif it is human pollution or animal pollution. Different animalswill have different E. coli and will have...International Research Team Clones New Skin Cancer Gene
...ma, according to David J. Leffell, M.D., associate professor of dermatology at the Yale School of Medicine and a co-author of the report. 3Although still several years away, it1s not unreasonable to imagine an ointment that, when applied to the skin, may control the growth of the cancer,2 Leffell said. 3Bec...Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey
...urnal Nature (June 27), Peter I. Kuniholm, Cornell professor of the history of art and archaeology, with other researchers in the university's Aegean Dendrochronology Project and at the universities of Heidelberg and Reading, have constructed a tree-ring sequence spanning 1,503 years from the ring growth patte...Honeybees In The Wild Nearly Gone In North America
...ild are decimated," said James E.Tew, an associate professor of entomology at Ohio State and honeybeeresearcher with the Ohio Agricultural Research and DevelopmentCenter (OARDC) in Wooster, Ohio. Bee experts across the countryagree that most of the wild or feral honeybees have likely beenannihilated, Tew said....Researchers Use Hydrated Lime To Reduce Toxic Selenium Emissions
...found in fly ash and flue gas, saidLiang-Shih Fan, professor and chair of chemical engineering atOhio State. Fan and Suhas Mahuli, a post-doctoral researcher in chemical engineering,have studied ways to capture selenium from flue gas before itescapes into the atmosphere. The researchers found that hydratedlime...Photosystem I -- An Intermediate Step -- May Not Be Necessary For Plants
...said Thomas G. Owens, Cornell University associate professor of plant biology. "What does this all mean? No one knows yet." The Z scheme is the classic example of how scientists describe the light-dependent reactions of photosynthesis. When photons -- particles of light -- enter a plant cell, their energy is...Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
...nservation biology pioneer Michael Soule, research professor of environmental studies at UCSC and adviser to Sanjayan and Crooks. "We showed it could happen in a natural population." The team studied 44 animals from two populations of the pocket gopher, Thomomys bottae, from Humboldt County in northern Califor...Protein Glitch May Be Early Problem In Inherited Alzheimer's
... according to Sangram Sisodia, Ph.D., an associate professor of pathology and neuroscience. Sisodia and Gopal Thinakaran, Ph.D., David Borchelt, Ph.D., and Michael Lee studied presenilin in cell cultures and in mice that contained copies of the human presenilin gene. Presenilin is a long protein that snakes...Bark Beetle Infestation Spurs Multifaceted Study
...ld growth forest," says Dr. Alan Taylor, associate professor ofgeography. "It's not, but it is second growth forest." That is actually part of the problem, most of the forests were last cut140 years ago to supply fuel and timbers for mining the Comstock Lode nearVirginia City, Nev. In the early 1900s, fire e...Virginia Tech Researchers Receive Patent For Rapid Virus Detection Technology
...ruses,according to Charles Hagedorn, Virginia Tech professor of cropand soil environmental sciences. Marian Ijzerman, a 1994 Ph.D. graduatenow with the EPA, along with Hagedorn, her advisor, and biologyprofessor Joe Falkinham, have received a patent (Number 5,527,667on June 18, 1996) for a "Rapid Virus Detect......ions ofdollars," said co-author Pavel A.Pevzner, a professor of mathematicsand computer science. With thismethod, we can find a human geneif an analogous gene from anotherspecies has been identified. Thespecies doesn't matter: mouse,chicken, frog. Anything alive canserve as a template to find humangenes." Many...Cooking And Salad Oils Could Lubricate Cars, Boats, Machines
...l Engineering, and Joseph Perez, adjunct professor of chemical engineering, reported that, when blended with a proprietary additive developed at Penn State, some vegetable oil formulations perform as well or better than the commercial standard, 10W-30 SG, in the usual tests for the ab...Salvage Gene Is At The Root Of Many Mutations
... at all looking for," says David Hinkle, associate professor of <AHREF="http://www.rochester.edu/College/BI...du/smd/biophys/cwl.htm">Christopher Lawrence , professor of <AHREF="http://www.urmc.rochester.edu/smd/biophys/index.htm">biophysics . The vast m...Genetic Alterations Linked To Cancer In Some Blood Samples
... says lead author David Sidransky, M.D., associate professor of otolaryngology/head and neck surgery, and oncology. Sidransky cautions that the test does not appear useful as a screening test for cancer. "But it might be helpful in patient management for identifying patients with a very poor prognosis who ma...Low-Protein Diet May Reverse Kidney Disease
...kenzie Walser, M.D., the study's lead author and a professor of pharmacology, molecular sciences and medicine. The study, which was supported in part by the National Institutes of Health, is published in the September issue of the American Journal of Kidney Diseases. "Five patients remain virtually cured, whil......l is a big help," said Fred W. McLafferty, Cornell professor emeritus of chemistry who led the work. Their acc... Ph.D. last year under George H. Morrison, Cornell professor emeritus of chemistry. "We have extremely high analytical resolution, so we not only can analyze th...Asian Beetle, New In This Country, Threatens Brooklyn's Shade Trees
...ormous pressure to grow, said Nina Bassuk, Cornell professor of floriculture and ornamental horticulture in Ithaca. "These trees are generally growing in places not made for trees, since there are sidewalks, houses, cement. The tree-lawns in Brooklyn are only 5 or 6 feet wide," Bassuk said. "The roots have ...Human-Like Ability, Categorical Perception, Found In Insects
...he gene pool, explained Ronald R. Hoy, the Cornell professor of neurobiology and behavior whose laboratory conducted the experiments. Researchers led by Hoy reported in 1978 that crickets can detect bats' ultrasound and take evasive action, but those flight studies never answered the question: What is the cu...Harvard, Duke Researchers Discover 'Off-switch' Inside Human Cells
...urn offa G protein," said Patrick Casey, associate professor of molecularcancer biology at the Duke cancer center, and an author of the Nature paper."Essentially all other routes to desensitization, all other ways toturn off this process in the past, have been drug molecules that acted onthe cell-surface recep...