Tag: "monthly" at biology news

Could an anti-marijuana compound hold the key to body weight and appetite control?

...y. The publication is one of 14 journals produced monthly by the American Physiological Society (APS). Methodology Rodents were fed a high fat diet to develop moderate obesity with an increase in energy intake and in insulin resistance. The objectives were to examine the effect of a chronic SR141716 trea...

Researchers discover how embryo attaches to the uterus

.... The tissue samples were taken during the womens monthly cycle both before the uterus is receptive to the blastocysts implantation and at the time when the uterus is most receptive to implantation. The researchers found that the amount of carbohydrate on the uterine wall was greatest at the time when uter...

The jaws stiffness found to dictate speech production

...journal is one of 14 scientific journals published monthly by the American Physiological Society (APS). Methodology Six subjects (four males and two females) participated in the measurement of jaw stiffness. Like measures of kinematic variability were obtained for the same subjects; none reported any histo...

Pain and the brain: Sex, hormones & genetics affect brain's pain control system

...gen levels -- like those that occur throughout the monthly menstrual cycle, or during pregnancy -- regulate the brain's natural ability to suppress pain. When estrogen levels are high, the brain's natural painkiller system responds more potently when a painful experience occurs, releasing chemicals called en...

Pregnancy prevention efforts rely on neighborhood ties

...calls and a full-page "youth forum" feature in the monthly Vietnamese newspaper. Neighborhoods that lacked many of these features or showed little interest in the topic at all were the ones where activity halted after the planning phase. In the case of the mostly white neighborhood, for instance, many commun...

Rockefeller, Weill Cornell researchers find link between estrogen, brain structure changes

...nd other experimental tasks varies during a normal monthly estrous cycle, which is characterized by the ebb and flow of estrogen. Further animal investigation revealed a dramatic decrease in dendritic spine density in rats whose ovaries were removed and thus were relatively low in blood estrogen levels; howe...

Why does caffeine delay exercise-induced fatigue?

...l is one of 14 peer-reviewed publications produced monthly by the American Physiological Society (APS). Methodology Male Wistar rats, five weeks old and weighing 200-250 grams, were used in this study, and randomly assigned to intracerebroventricular or intraperitoneal injection groups. Rats were given tw...

Common Indian spice pigment can prevent onset of alcoholic liver disease, study finds

...er Physiology. The journal is one of 14 published monthly by the American Physiological Society (APS). Methodology Four groups of rats (six in each group) were treated by intragastric infusion (direct placement into the gastric system) for four weeks. One group received fish oil plus ethanol (FE); a seco...

In a noisy world, how can the senses project and receive information at the same time?

... Neurophysiology, one of 14 publications published monthly by the American Physiological Society. Methodology All experiments were performed on adult male G. bimaculatus selected from a cricket colony maintained on a 12 hour light/12 hour dark cycle. Prior to dissection they were chilled at 4C for 30 min...

Water quality in Adirondack lakes responding to acid rain regulations

...patterns in lake chemistry in the region through a monthly sampling routine. Almost all of the lakes showed marked decreases in levels of the sulfate ion a part of the sulfuric acid molecule that breaks down upon contact with water. These decreases have in turn caused increases in pH, as well as increases i...

Obesity in Costa Rican children 'alarming,' likely future health burden

...d Pblica/Pan American Journal of Public Health," a monthly journal produced by the Pan American Health Organization (PAHO). The study was conducted by experts from the Ministry of Health's Institute for Research and Education on Nutrition and Health and the National University School of Sports Sciences. The ...

Gastric emptying for specific foods may be key to managing deadly illnesses in elderly

...and Liver Physiology, one of 14 journals published monthly by the American Physiological Society (APS). Methodology Twelve healthy older subjects (six male, six female), age 72.9 + 2.1 years; body mass index (BMI) 25.3 + 0.5 kg/m2, were enrolled in the study. Each subject underwent concurrent measuremen...

Hyperglycemia may increase risk of eye disorder in premature infants

...rmined that with each 10 mg/dl increase of average monthly glucose levels, ROP risk almost doubled. "We were not surprised by these study results, especially since ROP bears many similarities to adult diabetic retinopathy, a related retinal disorder in which hyperglycemia has already been shown to be a maj...

Anti-HIV drugs save vision, improve outlook for AIDS patients

...ence of visual impairment. Patients were followed monthly for disease progression. One year later, 42 percent of 426 patients lost visual acuity equivalent to three lines on the vision chart, 30 percent lost the equivalent of six lines on the chart and 23 percent lost the equivalent of 10 lines on the char...

Monogamous animals may be more likely to die out

...nas of Ghana, where the mammals have been censused monthly for more than 30 years and 78 local extinctions have been documented. Brashares assessed the extinction risk of nine traits (including population isolation, harem size, abundance and how much people like to eat them) in 41 mammal species (9 primates,...

The Year of Biodiversity and Conservation

...o Greenland. (Editors note: see "Kickoff Day" and monthly program sheets for more information on events, exhibitions, and featured scientists.) EXPLORING GLOBAL BIODIVERSITY -- FROM CHICAGO TO CHINA Biological diversity, or biodiversity, is the amazing variety of life on Earth from genes to species to en...

Science Picksleads, feeds and story seeds (July 2003)

...science stories? Coral to frogs to volcanoes. This monthly collection of science stories can help you cover ongoing earth and natural science research and investigations at USGS---photos and web links are provided to enhance your story. LEAD : The Nighttime Journey of Coral Larvae: For four nights starting...

Satellites will join search for source of Ebola virus

...igns of Ebola. The satellite data will be updated monthly to gain more clues, Moussavou added: "In Gabon and Congo, we have observed an annual periodicity of Ebola outbreaks. This suggests particular ecological conditions characterise the reservoir host habitat." EO images will also be provided to the Worl...

Science picks: Leads, feeds and story seeds for August 2003

...stories like a tall, cold glass of sweet tea. This monthly collection of science stories can help you cover ongoing earth and natural science research and investigations at USGS---photos and web links are provided to enhance your story. Leads: ARE STREAMS A DRUG FREE ZONE? Last year, USGS unveiled a sig...

In tropics, forests are cool but croplands are hotter

.... Bounoua's simulated 1 degree (F) rise in average monthly temperature agreed with historical records acquired from a weather station in Santa Cruz over the same time period. The paper, appearing in the current issue of the Journal of Meteorology and Atmospheric Physics, used NASA's Landsat images acquired ...

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