Dangerous Chemical Combination Presents Possible Scenario For Gulf War Illnesses
...ite and limited amount of BuChEin the bloodstream, enough to neutralize DEET alone or permethrin alone.When multiple chemicals are present, the enzyme is unable to neutralizethem all, resulting in a toxic accumulation of chemicals in the bloodstreamand thus in the brain and nervous system. Moreover, the a......hich controls emotionand behavior. Conversely, not enough dopamine contributes to clinical depression.Although therapeutic drugs for schizophrenia block dopamine receptors, theyhave limited effectiveness and produce side effects in many patients. "Years of research by many investigators have helped determi...Computer Program For Quicker, More Detailed Mapping
...t have been made to date, but they're not detailed enough to allowsequencing the whole genome. Next, we'll do more of the same but with fivetimes the number of markers so that we can use the maps for sequencing,"said Myers. The coming maps will also help researchers find the particular DNA markersthat are ...DNA Techniques Allow Scientists To Become Pollution Detectives.
GAINESVILLE---Just when you thought you'd heard enough aboutDNA testing from the so-called "Trial of the Century," University ofFlorida researchers are using the same science to police polluters. With the oft-mentioned DNA "fingerprint" test, scientists at UF'sInstitute of Food and Agricultural Sciences ...Nutrition Study Reshapes Strategies For Athletes
...itive for them to keep drinking. Athletes candrink enough fluids to satisfy their thirst, but will still be ...t level. The other key, Houtkooper says, is eating enough of the right kinds of foodsand eating them on a schedule coordinated with their competitions. Lighte...Surprising Protein Movement Seen In Cells
...e surprised todiscover that the proteins move fast enough to traverse theorganelle within a few seconds. At that speed, they should easilybe taken up by vesicles and transported outside of the Golgiapparatus. "How Golgi membranes maintain their identity amidst this rapiddiffusion of resident components now ...Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report
...e is on as to whetherit will defend itself quickly enough to evade the immune attack, or whetherthe SNO will win by quickly disabling the cell, making it vulnerable toa macrophage attack. In some cases, then, the bacterium wins, forming resistanceto an immune system attack." The findings offer both...Nitric Oxide Found To Control Cells By Turning On Genes; Suggests New Role In Health And Disease
...e is on as to whetherit will defend itself quickly enough to evade the immune attack, or whetherthe SNO will win by quickly disabling the cell, making it vulnerable toa macrophage attack. In some cases, then, the bacterium wins, forming resistanceto an immune system attack." The findings offer both...Asian Beetle, New In This Country, Threatens Brooklyn's Shade Trees
... trees in an urban environment are not traumatized enough as it is. This doesn't bode well for a tree that is under a lot of pressure to grow." New York City's Department of Parks and Recreation sent samples of the beetles to Carolyn Klass, Cornell Cooperative Extension entomologist in Ithaca, N.Y., to det...Human-Like Ability, Categorical Perception, Found In Insects
...ounds. 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," and that they are capable of categorical perception. Does this ...New Software Provides Quick Analysis of ion-Channel Activity
...million ions per second,' Sachs said. That's a big enough output to measure in real time. The programs allow you to not only "watch" an ion channel molecule at work, they provide specific quantitative results on how it works, on how fast protein molecules change shape. That information will give scientists ...'Juliet' Evades Primate Center Expedition
...d sifakaslike Romeo, but were unable to come close enough for a capture. The diademed sifaka is the largest living lemur and considered perhaps themost beautiful of primates, with fur of yellow, orange, gray, white andblack. Romeo is the only diademed sifaka in captivity, and Primate Center scientistsurge...NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
...ropics. According to Felzer, the model is accurate enough in showing past climates and vegetation that it can be a useful tool in simulating the future. The two NCAR models used in the study were GENESIS (Global Environmental and Ecological Simulation of Interacitve Systems) created by Starley Thompson and ......n may have smoked for a shorter period of time Not enough time may have elapsed among premenopausal smokers to allow the entire carcinogenic process to develop Other enzymes may mediate the NAT2 effect Additional researchers contributing to the study were Jo L. Freudenheim, Ph.D.; Saxon Graham, Ph.D.; John......ld this year in Pittsburgh. "With the T3E, we have enough computing power to stay ahead of the scanner," said PSC neural scientist Nigel Goddard. "The same processing that used to take more than a day on workstations we can now do in minutes." "This is a big step forward," said Dr. Jonathan Cohen, codirecto...Duke's Russian Laser Making Ultraviolet Light And Gamma Rays
...ause gamma ray beamsfrom other sources have lacked enough intensity, said Henry Weller, anotherDuke physics professor and TUNL researcher. Because gamma rays are generated more efficiently inside its optical cavity,the OK-4's gamma intensity could be 1,000 times higher than those availablenow. That means "...Sea Turtles Have Favorite Oceanic Routes
...ing pressure of the ocean's deep water and buoyant enough to transmit a signal when a turtle reached the wat...ers lasted between three and 87 days, but that was enough time to provide the researchers the first record of the turtles' preferred path. Efforts to save the...Bacterial Protein Structure Hints At Mechanism Of A Class Of Premature Aging Diseases
...its expressionas a disease are unknown. "It's not enough to know where a defectin the gene is." Bastia said. "You want to know how it causesthe disease." If the mechanism of a genetic malfunction can be mapped out, said Bastia,drug therapies will be easier to design as would gene therapies. The newre...Moving DNA Molecules With Magnetic Tweezers
...because, at 17 microns from end to end, it islarge enough to view with a simple benchtop microscope. But hebelieves the magnetic manipulation technique will work with otherbiological polymers, including those designed to carry medicineto a specific site. The magnetic tweezers could also be used ingenetic en...Bottom-up Ecological Processes Better For Clear Waters, Study Finds
... the upper levels of a lake's foodweb cannot exert enough influence to control the algae feeding on pollutin...r bass. In the mid-1980s, ecologists had gathered enough evidence to suggest thatthe clarity of a lake could be regulated by manipulating this structureof th...