National Network Provides Update On Devastating Corn Disease
...nitor fields throughout growing season and harvest early if high amounts ofdisease develop during grain fill Consider preventative fungicides; the economic benefit of controlling thedisease with fungicides in grain production fields is marginal except in highrisk areas with significant yield losses annual......y planning programs, up from just a handful in the early 1980s. This dramatic change in government policy has been accompanied by a fundamental shift in peoples attitudes towards childbearing, according to the PAI study, Africa's Population Challenge: Accelerating Progress in Reproductive Health . Urbaniz...The First Rejection: Eggs Sequester Bits Of Sperm For Later Elimination
...ar that the tail might be involved in the embryo's early development." Now, using fluorescence staining, Karr and Pitnick have tracked the fate of the giant sperm tails of two species of fruit fly, D. melanogaster and D. pachea, throughout embryogenesis. They noticed that after the sperm entered the egg...Web Site Offers Comprehensive Information On Mad Cow Disease
... by both the news media andthe public beginning in early 1996 following reports of BSE's transmissionto humans in Great Britain. "Within the span of a week, we were at the point of spending morethan half our time just answering phone calls from the media, producers,veterinarians and others about the disea...Birds Sing The 'Story Of Their Lives,' Theorize Duke Biologists
...ity tojudge how well he has overcome the stress of early life and how effective a matehe will be. T...d during this criticalperiod in the late nestling, early fledgling phase." Thus, said Nowicki, the song quality, in essence, tells the story of amale......tide hormone that is recognized as an early chemical signal in the response to stress. The hormone exhibits its actions through plasma membrane receptors which have been characterized from several sources. The molecular interaction between these receptors and CRF is u...New Fossil Discoveries Clinch Ancient Age Of Human Ancestor
...es evolving at the same time, Walker says all the early fossils discovered so far support a more tree-like...ree. "We don't yet have any convincing evidence early in the fossil record of multiple hominid species," Walker says. "The simplest explanation for the ...Perkin-Elmer To Introduce New Instrument Based On Breakthrough DNA Analysis Technology
... 1999, Perkin-Elmer expects to shortly announce an early access programfor customers interested in becoming test sites for the instrument latein calendar year 1998. As reported in a separate news announcement made today, Perkin-Elmer,genomics pioneer Dr. J. Craig Venter, and The Institute for Genomic Rese...HIV Discriminates Amongst Cells
...s HIV from enteringinactive cells, or cells in the early stages of cell death. We know that theseare poor host cells for viral replication, and they don't have an active actinfilament network to pull surface molecules together," Dr. Schwartz added. Dr.Hildreth and his colleagues cautioned that speculatio......an genome. The FHIT gene is frequently inactivated early in thedevelopment of cancer, especially in lung ca...the FHIT gene. of the FHIT gene inactivation is an early event in thedevelopment of several types of cancer. Dr. Brenner's work is funded by the Nati...Biggest Acoustics Meeting Ever
...es and newsroom phone numbers will be available in early June. Reportersinterested in attending the meeting...pioneer was Eric Dolphy, a jazzmusician who in the early 1960s introduced distortion effects in acoustical instruments such as the altosaxophone, bass clarin...Fetal Lead Exposure May Reduce Immunity
...researchers are now conducting parallel studies on early lead exposure with embryonic chickens as animal mo...ited States. Among other possible risk factors is early exposure to airborne particles, such as those found in air polluted with diesel engine fumes. Studie......machinery. Sensory experience during early postnatal development is essential for the optimiz...affected eye within a short period of time. During early development, this loss of function can be recovered by restoring vision in the deprived...Antimicrobial Resistance: Issues And Options
As early as 1945, scientists discovered a pathogen that had developed resistance to penicillin. Since that time, antibiotic resistance has risen dramatically, posing a threat to public health, increasing medical costs, and fueling a resurgence in pathogens t...Biochemists Gain Crystal-Clear Insight into 'Ancient' Enzyme
... moleculesmight represent an ancient remnant of an early era in life's evolution whenRNA molecules were the enzymatic workhorses of primordial cells, beforemore versatile proteins evolved to take over the job. The findings also may offer new targets for antibiotic compounds thatcould disrupt this key proc...Northwestern Researchers Develop Rapid Diagnostic Test To Detect Antibiotic-Resistant Bacteria
...on andtreatment to begin immediately. In addition, early isolation prevents the VREfrom exchanging their resistance with other bacteria," Stosor said. Gary A. Noskin, M.D., associate professor of medicine, Lance R.Peterson, M.D., professor of pathology, and Michelle A. Tornatore, researchtechnologi...ASU Scientists Join NASA Astrobiology Institute
...oking at stardust andmeteorites left over from the early evolution of the solar system, to the fossil recor...em: Exploring possible sources for the early chemistry that preceded the origin of lifeon Earth, biochemist John Cronin and new ASU cosmochemis......AP patients wasongoing and expected to conclude in early 1999. FAP and Colon Cancer Colonic adenomatous polyps are known to precede the formation of colorectalcancers. Individuals with FAP, an inherited condition, form hundreds tothousands of polyps in the colon and rectum, and face the inevitable develo...Neurogenetics Lab Scan Suggests Genetic Linkage On Chromosomes 4 And 11
...he reinforcement of drinking behavior. "From the early work of former Scientific Director Markku Linnoila, M.D., Ph.D., to recent studies by this laboratory in alcohol dependent Finnish men, serotonin has recurred as a prime suspect in severe alcoholism," Dr. Goldman said. The Neurogenetics laboratory ...... this operation. Macular translocationmust be done early in the disease. People interested in this treatmen...ar." De Juan cautions that even when done early in the disease, the surgerydoesn't work for everyone and sometimes can worsen vision. "We still need...