Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
...als. Each Humboldt gopher accepted grafts of small patches of skin from other animals within its own population, whereas the Carmel Valley gophers did not. To test whether the immune systems of the Humboldt gophers functioned at all, the researchers grafted skin from the Carmel Valley gophers onto a few of t...Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
...ain. Many songbirds will even use small,yard-sized patches of these natural landscapes during migration, providingpeople with exciting opportunities for bird observation--and providing thebirds with the critical fuel for a long journey south." Parrish recently received his doctorate from Brown in ecology and......e small bulbs and tubers that sustain them. Tuber patches in mole-rats' natural habitat are widely and irregularly dispersed, explained Sherman. Naked mole-rats (Heterocephalus glaber) must chew through lots of hardpan dirt to find a patch of tubers. But once they find a new source, there is usually pl...Researchers Corral Millions Of Microscopic Membranes
...d that the vesicles fused to form uniform membrane patches that completely covered the squares but stopped at...ther, the researchers determined that the membrane patches were stable and retained their basic properties for several weeks. In addition, they demonstrated th...A New Biochemical Link Established Between Stress, Sex And Dominance
...ly immature. The males immediately began vying for patches of territory. For the first few weeks, ownership changed frequently and so did the males' bright colors, switching on or off depending on which male perceived himself to be the victor. Perhaps most important, Fernald said, was the fact that no...Chemists Develop High-Throughput Method To Synthesize And Screen Novel Antibiotics
...it possible to develop antibiotic skinpatches. The patches have an advantage over pills, because thepatient would not have to remember when to take medicine, anddoctors would not have to worry that the patient did not finishall the medication. The most promising antibiotics have been tested in the labagainst...Study Shows Zebra Mussels Can Colonize Sand And Mud
... soft sediment of the lake bed. “In studying patches of zebra mussels, we observed small musselson the order of millimeters attached to individual sand grains,” Berkmansaid. He says the potential implications for this discovery are great. “The only clear thing we know for sure is that zebra ...Protein Implicated In Multiple Sclerosis
... cells in the brain and spinal cord, creating bare patches and scars. Likedamaged electrical wires, these nerve cells are unable to transmit impulsesefficiently, so patients develop sensory and muscle problems. The coating,called myelin, is made of lipids and proteins. "For years, researchers have be...Press Events At Spring Meeting
... notemphasized this threat and which lies on large patches of filled land. How greatis the actual risk? Dr. Ebel will discuss the latest information gathered by theNew England Seismic Network, which catalogues all earthquakes occurring in thesix state region. (Several Meeting sessions on May 27 will deal wit...Taking The "Ouch" Out Of Needles: Arrays Of "Microneedles" Offer New Technique For Drug Delivery
...y' for patients, similar to thecurrent transdermal patches that are in common use," said Dr. Mark R. Prausnitz,assistant professor inGeorgia Tech's School of Chemical Engineering. "We expect in its final designthat a microneedle array would be quite easy to use. Patients would just peel aliner off and stick...UF Researcher's Innovative Fence Helps Control Sand Flies
...is inevitablethat some sand flies will find little patches of skin not treated withrepellent and even crawl up under hair. "Their bite is very painful," Day said. "They really can make lifeunbearable, sometimes." Day says future applications of the carbon dioxide fence range fromsmall-scale use by homeowners...Genetic Defect Protects Against Smoking
...ons for nicotinereplacement therapies such as gum, patches and spray as some smokers willmetabolize the nicotine in these therapies faster than others, altering theireffectiveness. They also note that smokers who carry the defective gene will beless efficient at turning the procarcinogens in tobacco smoke i...Grassland Birds Are Not Nesting In Non-Native Grasses
...room 307. "Because they occupy short-lived patches of earth, birds such as theEastern meadowlark, field sparrow, and grasshopper sparrow should be efficientcolonizers," Titus explains, "but many sites that appear suitable in the easternUnited States remain unoccupied. We think that may be due to the ...Salamanders May Reveal Best Way To Manage Forests
... herbicideapplication, group selection (removal of patches of trees every few years tocreate small stands of different ages and sizes), two shelterwoods (harvestingall but 20-60 percent of the tree canopy), two-age regeneration method (savingsome valuable trees for later harvest), and clearcut regeneration. ...Open-Air Experiment Shows High CO2 Boosts Tree Growth
...s as theforest adjusts," At FACTS-1, three patches of loblolly pine-dominated woodlands are beingenve...hree identical tower rings,each encircling similar patches of pine forest, are not providing extra carbondioxide. The gas-less rings thus serve as "control" si...Soil Variation Important In Natural Plant Communities
...n the same amount of soilfertility was arranged in patches instead of spread evenly throughout the pot."Sweet..., the researchers hope to predict how and why soil patches change intime, and how such patchiness alters the course of plant succession. In addition t...Fruit-Eating Birds Discovered Crucial To Rainforest Survival
...t to be sedentary,residing throughout the year in patches of rainforest. As other important seed dispersers such as elephants and primates continue todecline in the region due to habitat destruction and hunting, hornbills becomeeven more important for rain forest regrowth and survival. "The survival of ......n totiny embryonic bones, many of the eggs contain patches of delicate fossilizedskin, providing the first gl...nd crocodiles, thejuveniles of which lack the bony patches in the skin that are present in adults. The co-leaders of the expedition are: Luis M. Chiappe, rese...Use Of Protease Inhibitors For HIV Associated With Dramatic Rise In Oral Warts
... oral candidiasis, afungal infection that forms as patches in the mouth; hairy leukoplakia,non-removable white lesions on the tongue caused by a virus; and Kaposi'ssarcoma, raised red oral lumps. Oral candidiasis and hairy leukoplakia usually respond to treatment, andKaposi's sarcoma is now much rarer, Gree......nsumers are the world's poor who grow their own in patches of poor soil. The Washington University findings also settle disputes among plant scientists, a group of whom have believed that the plant's origins were in Mexico. They also show that the original cassava is not a derivative of several different p...