Study Focuses On How Plants Help Toxic Pollutants Travel Around The World
...e because all three factors vary simultaneouslyand often are dependent upon each other. "In this, w... "It's not how fast the wind blows. It's how often the chemicals bounceon the surface of the earth," Hornbuckle said. "In order to decide if we...Scientists Discover How Genes Work Together To Control Neural Development
...idence is building at a rapidrate that the message often carried by the signal-transduction pathwayis 'kill the gatekeeper,'" Carthew says. "Many vertebrate proteins, some known to be involved in cancers,carry a structural feature similar to the Tramtrack protein," Laisays. "We are now searching for othe......ation ecology of herbivores," said Hunter."Data is often not collected at an appropriate scale to estimatethe effects of plant quality on herbivore populations." Hunter's study argues for the consistent collection oflong-term data sets, without which such analysis may be close toimpossible. Though Var...Study: Device Prevents Epileptic Seizures, Doesn't Damage Hearts
...ehow the device stops seizures. Drugs most often prescribed for epilepsy include phenytoin,phenobarbital and carbamazepine, said Vaughn, who testified before the FDA panelthat recommended approving the stimulator. Others involved in the research at UNC-CH include Drs. JohnMessenheimer, Estr......such tests can and cannotreveal, and why the tests often do not give clear-cut answers.For example, Zallen said, if a person has the gene for certainsingle-gene diseases, such as Huntington's and sickle-cell, heor she will definitely get the disorder--but when it will appearand how severe it will be is not...More To Drought Than Meets The Eye
...ch year, tree ring dating --dendrochronology -- is often used to determine the age of trees by looking atthe growth pattern and matching all trees on a site using key signature rings,such as the small rings representative of a drought. In this way, the ringscorresponding to the drought years of 1985, 1988,...Wild Plant Genes Increase Food Production
... "This underscores the point that exotic germplasm often contains genes that are capable of improving traits," Tanksley said. Wild plant species of rice, considered one of the world's top staple crops, were domesticated about 10,000 years ago, during humanity's transition from nomadic hunter-gatherers to a...Jefferson Scientists Find Potential Deadly Effects Of Two Missing Cancer-Suppressor Genes
...o study the effects of cancer gene alterations, often helping scientists understand cancer mechanisms and develop effective therapies. The researchers found that male knockout mice died from cancer at an average of 273 days, which is perhaps two to three times as quickly as they might ...Experts: Public Will Accept Irradiation In Wake Of Meat Recall
...isms on strawberries and raspberries -- foods that often aren't cooked D caused an outbreak of food-borne illness. It also might have avoided the Hudson Foods recall of 25 million pounds of red meat, including hamburger patties, that may have been contaminated with E. coli, a microorganism that can ca...Discovery Of Genetic Pathways May Provide New Ways To Combat Candida Infections
...patients have almost doubled throughout the 1980s, often with life-threatening results in individuals with weakened immune systems. Candida, in particular, poses a serious threat and is associated with high mortality rates in patients undergoing chemotherapy. Candida is also a major cause of infection in h...UT-Houston Awarded $2.5 Million For Scleroderma Research
...enter of Research (SCOR) inscleroderma, a chronic, often fatal connective tissue disease. Headquartered inthe UT-Houston Medical School division of rheumatology and clinicalimmunogenetics, the center will conduct a wide range of investigations into thedisease for which there is no known effective treatmen...New, Environmentally Friendly Technique For Separating Liquids Invented At UNC-CH
...y Ann Smith professor of chemistry atUNC-CH. "Very often these processes need to use organic solvents which are notgood for our environment. That's because the solvents are either toxic orflammable or both, and they are expensive. "What we invented was a process that allows carbon dioxide to be use...Report Notes Difficulties In Eliminating E. Coli O157:H7 From Food Supply
...ntly than adults. Though ground beef has been most often associated with E. coli O157:H7 outbreaksin the United States, other implicated foods include raw milk, apple cider,dry-cured salami, lettuce, produce from manure-fertilized gardens, potatoes,radish and alfalfa sprouts, yogurt, sandwiches, and water....New Way To Drive Chemical Reactions: Collision Of Liquids At High Speed
... the common ones, Suslick said. "So, it'snot very often that we find a new way to drive chemistry, especially oneas simple as fast-moving liquids. Although we can create very-high-energychemistry using these liquid jets, the reaction rates are pretty slow sofar." Suslick and graduate students Millan Mdl...Brain-Activity Data Clarify Contradictions In Earlier Anxiety Research
...ctivity. Previous research on anxiety has yielded often contradicting and unexplainableresults, with electrical activity fluctuating between the brain's left andright hemispheres. The new findings, said U. of I. psychologist Wendy Heller,may clear up the confusion. "Worry seems to be associated more wit...Long-Term Vitamin C Use Cuts Cataract Risk In Older Women
...ataract formation, but interference with vision is often minor since many opacities are eithersmall or on the edges of the lens. The study participants were 247 Boston-area women aged 56 to 71 years who were selected fromthe Nurses Health Study (NHS). The NHS began in 1976 when 121,700 female nurses, ages ...Disease Takes Its Toll On Waterfowl Populations
...disease, the birds cannot hold their heads up, and often drown or suffocate. Most outbreaks of type C botulism occur in ducks, and species such as pintails, shovelers, and mallards are among those that suffer the greatest losses. However, almost all birds are susceptible to the disease, says Dr. Creekmo...Colorado State Anthropologist Finds Fossil Treasures In Africa
...e tracks from theprevious year's expedition, which often proves difficult. The rainy season causes grasses to grow over the tracks and elephants scar theroad with footprints. Using a grant from the National Geographic Society, Waddle began making the trips to Bone Cave with anthropologists Callum Rossof S...Oral Vaccine Protects Infants From Severe Rotavirus Diarrhea
...Schael says. Children in developing countriesmore often develop severe and fatal illness. Symptoms develop quickly and, in addition to diarrhea, include vomiting, feverand dehydration. In severe cases, a child can experience 10 to 20 episodes of diarrhea and 10 to 15 vomiting episodes per day. Dehydrati...