Black in Biological News

Douglas-fir, geoducks make strange bedfellows in studying climate change

... a dendrochonologist at Oregon State University. black has been applying tree-ring techniques to the ... of the variability in the instrument records," black said. "But when we add the data from a second ... combination provides a more accurate account," black added. Results of the study are being ...

Improved air quality during Beijing Olympics could inform pollution-curbing policies

... including carbon monoxide, carbon dioxide and black carbon, or soot. Among the researchers' conclusions: black carbon pollution is significantly greater at ... and diesel trucks are a major source of black carbon emission during the summer in Beijing. ...

U of Minnesota-led study finds that hunters are depleting lion and cougar populations

... of lions, cougars and leopards with its impact on black bear populations because male black bears do not routinely kill infants of other ... they benefited from reduced numbers of lions. black bears, by contrast, appear to be thriving despite ...

Pre-pregnancy depressed mood may heighten risk for premature birth

... States and one that disproportionately affects black women have found that pre-pregnancy depressive ... in preterm birth among both blacks and whites. black women, however, have nearly two times the odds of ... be the result of declining health over time among black women. For this study, premature birth referred ...

Spring agricultural fires have large impact on melting Arctic

... planting or clear brush for grazing - because the black carbon or soot produced by the fires can lead to ... and diesel fuel are the primary sources of black carbon; oil and gas activities and landfills are ... jointly undertake efforts to reduce emissions of black carbon, ozone precursors, and methane in order to ...

Vitamin D insufficiency linked to bacterial vaginosis in pregnant women

... by the fact that BV is far more common in black than white women, and vitamin D status is substantially lower in black than white women. This relation, however, has not ... vitamin D status and BV in 209 white and 260 black women at The data indicate that 41% of all ...

System that regulates blood pressure is amiss in some healthy, young blacks

... doesn't work well in about one-third of healthy, black adolescents, researchers report. They hope the ... dysfunctional in a significant number of the black adolescents. The study involved 168 ... "For reasons we don't understand, the black kids have improper suppression of this ...

American Chemical Society Weekly PressPac -- April 1, 2009

... a "magic potion" of proteins in the saliva of the black fly that help this blood-sucking pest spread ... explain that the saliva of adult female black flies contains substances that mute the human ... salivary glands from hundreds of adult female black flies and isolated the proteins using high-tech ...

Pulmonary hypertension in children may result from reduced activity of gene regulator

... Institute in the MCG School of Medicine. Dr. black and his colleague, Dr. Jeffrey Fineman, a ... and put children at increased risk. Dr. black is principal investigator on two new National ... lungs can't function properly afterward. Dr. black suspects that underlying mechanisms that cause ...

Antioxidants in Midwestern black raspberries influenced by production site

... and cancer. The prospective health benefits of black raspberries and other antioxidant-rich produce ... was designed to determine whether where black raspberries are grown influences the antioxidant ... variability in phytonutritional quality of black raspberries, the researchers studied 19 samples ...

Biodegradable mulch films on the horizon

... Michigan State University, led a study comparing black and white biodegradable mulch films in two ... Weed control levels for both thicknesses of the black biodegradable mulch were more than 90%. black biodegradable mulch performed well in the field, ...

Healthy food availability could depend on where you live -- so does the quality of your diet

... diet. We also found that 24 percent of the black participants lived in neighborhoods with a low ... found that 43 percent of predominantly black neighborhoods and 46 percent of lower-income ... in lower-income neighborhoods and predominantly black neighborhoods. "Previous studies have ...

Biologists solve mystery of black wolves

... Why do nearly half of North American wolves have black coats while European wolves are overwhelmingly ... UCLA, Sweden, Canada and Italy, is that the black coats are the result of historical matings between black dogs and wild gray wolves. The research, ...

January GEOLOGY media highlights

... of displacement," geophysical data from the black Sea, hazardous volcanic ice-slurry flows, the ... to magma-rich rifting in the eastern black Sea Donna J. Shillington et al., ... al. present new geophysical data from the eastern black Sea that show for the first time the transition ...

Chemopreventive agents in black raspberries identified

... for Cancer Research, identifies components of black raspberries with chemopreventive potential. ... found that anthocyanins, a class of flavonoids in black raspberries, inhibited growth and stimulated ... fed rats an anthocyanin-rich extract of black raspberries and found that the extract was nearly ...

Water in the early universe

... clouds of dust and gas that feed the supermassive black hole at the centre of the distant quasar. The ... be used for further research into supermassive black holes and galaxy evolution at high redshift." ... hot gas and dust closely orbiting a supermassive black hole at the galaxy's core. This amplified radio ...

Study: urban black bears 'live fast, die young'

... NEW YORK (SEPTEMBER 30, 2008) black bears that live around urban areas weigh more, ... urbanized areas are functioning as "sinks" for black bear populations, drawing in bears from outlying ... believe that without these sinks, populations of black bears in Nevada could increase. Right now, ...

The making of Dig It! the Secrets of Soil exhibit

... exhibition. Texas's very own Houston black soil is proudly displayed as one of 54 soil ... to each state or region. The Houston black soils are characterized as vertisols with high ... with changes in soil moisture; surface is black clay; sugsoil ...

October 2008 GEOLOGY and GSA TODAY media highlights

... into euxinic sediments: Evidence from the modern black Sea Nadja Neubert et al., Universitat Bern, ... study of surface sediment samples from the black Sea from different water depths. The black Sea is an archetype of recent marine anoxic ...

Sweets make young horses harder to train in Montana State study

... by not feeding excess dietary energy," Wade black wrote in a paper that will be submitted later this year to the "Journal of Animal Science." black -- a horse trainer, instructor for the MSU Colt ... her equine nutrition class, Bowman said. She and black then conducted experiments during the summer of ...

Highlights from the August 2008 Journal of the American Dietetic Association

... Fruit and Vegetable Consumption Is Low among black Men Despite efforts to stress the importance of ... foods among men remains low, particularly among black men, according to researchers at Columbia and ... In a study of 490 American and foreign-born black men between ages 45 and 70, the researchers found ...

NOAA takes first broad look at soot from ships

... primary sources of soot, or small particles of black carbon, are fossil fuel combustion, wildfires, ... vessel, Ronald H. Brown, the team measured black carbon emitted by tankers, cargo and container ... levels point to their low-quality fuela thick, black tar left over from crude oil after the gasoline ...

The benefits of green tea in reducing an important risk factor for heart disease

... (or hot water) was not significant. While black tea has been associated with improved short and ... tea are probably more potent antioxidants than in black tea because there has been no oxidisation. ... tea is consumed less in the Western world than black tea, but it could be more beneficial because of ...

Fruits, vegetables and teas may protect smokers from lung cancer, UCLA researchers report

... fruits and vegetables per day and drink green or black tea may be protecting themselves from lung ... catechin, found in strawberries and green and black teas, kaempferol, found in Brussels sprouts and ... more fruits and vegetables and drinking more black and green teas wont hurt. Since this study ...

When bears steal human food, mom's not to blame

... Conservation Society (WCS) found that the black bears that become habituated to human food and ... which examines the role of genetic relatedness in black bear behavior that leads to conflict with humans, ... Distributed across much of North America, black bearswhich average around 300 pounds in ...

Arable land can have a negative impact on air quality

... river. There had been no rain for weeks. The black soil here in the south of the Ukraine is one of ... and an area of low pressure moving from the black Sea to Italy, the air mass quickly drifted to ... showed that the dust had indeed come from the black Sea region. The mineralogical-petrological ...

Unmanned aircraft to study Southern California smog and its consequences

... mix of dust, sulfates and soot and other forms of black carbon. These aerosols are primarily the products ... warms the dirty snow in mountain watersheds. black carbon and ozone are two major contributors to ... We hope to document the vertical profiles of black carbon and ozone and their climate warming ...

Black carbon pollution emerges as major player in global warming

... black carbon, a form of particulate air pollution most ... Carmichael, said that soot and other forms of black carbon could have as much as 60 percent of the ... Global and regional climate changes due to black carbon, will be posted in the online version of ...

NOAA proposes federal regulations to protect black abalone

... Federal Register today a proposed rule to list black abalone, a marine mollusk coveted by fishermen ... team reported major declines in the population of black abalone, especially in the areas around the ... proposed regulations seek federal protection for black abalone and request input from the public in ...

Research team says extraterrestrial impact to blame for Ice Age extinctions

... multiple detonations comes from a four-inch-thick black mat of carbon-rich material that appears as far ... as the Clovis culture, are found beneath the black mat but are missing entirely within or above it. ... may have survived in protected niches. The black mat was formed by ponding of water and algal ...

University of Minnesota study refutes belief that black men have more aggressive prostate cancer

... no evidence that the cancer is more aggressive in black men. Lead investigator Akhouri Sinha, a professor ... VA Medical Center, said the belief that black mens tumors are more aggressive is based on ... In previous studies of prostate tumors, those in black patients tended to be larger and at a more ...

Study identifies warning signs of pregnancy danger

... hypertension] is getting worse, black said. Also known as preeclampsia and ... dizziness, frequent vomiting and malaise, black said. Usually, the blood vessels expand during ... high blood pressure causes them to clamp down, black explained. Nurses currently monitor the ...

Coal and black liquor can produce energy from papermaking

... coal and processing the papermaking industry's black liquor waste into synthesis gas is a better ... gas which is then used to create other fuels." black liquor is a combination of lignin from the wood, ... The students looked at the efficiency of using black liquor as the feedstock for manufacturing ...

Risk of common vaginal infection linked to preterm birth appears higher for blacks

... female/black male couples, 12 (3.7 percent) were black female/white male couples, and 149 (45.9 percent) were black female/black male partnerships. Generally, BV was less common among white women compared to black women in the group. But notably, partner race ...

Carbon nanoparticles toxic to adult fruit flies but benign to young

... of carbon nanoparticles corresponding with their commercial uses carbon black (a powder much like printer toner), C60 (spherical molecules known as ... few or no difficulties. But the batches of flies immersed in the carbon black and single-walled nanotubes could not escape their surroundings and died ...

Race/ethnicity, family income and education associated with sugar consumption

... with the next lowest intake according to racial/ethnic categories. black men had the highest intake among men, although white and American Indian/Alaskan Native men were also high. black women and American Indian/Alaskan Native women had the highest intake ...

Managing Douglas-fir forests for diversity

... in the understory for nesting and foraging. Douglas-fir mortality from black stain root disease was greater where all hardwoods were removed than where ... layer. Managers may also want to retain some hardwoods in areas prone to black stain root disease, since the hardwoods may reduce mortality of planted ...

'Delicious' new grape debuts

... ripens early, produces high yields, and is disease-resistant. The black fruit features exceptional taste and texture with an edible skin, making ... black-fruited selection with larger berries. The researchers noted that black berry color of 'Delicious' likely originated from 'Southland' and the ...

Danger lurks underground for oak seedlings

... than twice as much damage to white oak roots than northern red oak and black cherry, and more than six times more damage to white oak than black walnuts. The voles snubbed yellow poplar roots altogether. "Either the ...

Commercial ships spew half as much particulate pollution as world's cars

... the new study. The other half, composed by organic pollutants and sooty, black carbon, are not directly targeted by today's regulations. A 2008 study ... and affect climate. Lack and colleagues find that the organic and black carbon portion of ship exhaust is less likely to form cloud droplets. As a ...