Tag: "collecting" at biology news

Evergreens help block pesticide from crop fields

...a larger surface area for collecting sprays, as well as an aerodynamic shape. As air swirls around the needles, more droplets stick to these surfaces than if the air were gliding over the smooth surface of a flat...

USGS reports that West Nile virus goes beyond crows

...id McLean. The USGS will continue to focus on collecting information that will help determine the extent of the wildlife species involved, the geographic and temporal distribution of the virus, and whether the disease is continuing to expand to new sites. McLean emphasized that with so many state and ...

Test provides accurate, noninvasive method to determine fetal lung development, UF researchers find

...he vaginal collection method prevents the need for collecting the fluid via amniocentesis, a procedure in which a needle is inserted through the abdominal wall into the uterus. Besides costing nearly four times as much as the vaginal method, an amniocentesis carries a small risk of infection. It also is a more...

AAAS statement on genetic discrimination

... further preventfederal employers from requesting, collecting or purchasing protected genetic information, gleanedby analyzing an individual's DNA to detect disease-related geneotypes of mutations. "Genetic discrimination that would impede access to employment or medical therapies, or discourageindividuals fro...

Exposures to second-hand smoke lower than believed, ORNL study finds

... most people." Extensive controls were employed in collecting and analyzing the air samples collected by the 1,564 participants in the study, Jenkins said. Test subjects also submitted to saliva tests that would reveal cotinine, a constituent of tobacco smoke. Smokers were excluded from the study. Cities used f...

USGS seeks citzens of all ages to listen for frogs and toads

...n opportunity to learn about the environment while collecting valuable information about their local frogs and toads. According to scientists, amphibians are declining worldwide; several species already have gone extinct, and other once-thriving species have diminished in numbers. "Understanding the decline...

Drosophila genome sequence completed

...era started the sequencing last April and finished collecting the raw data in early September. "Since then," says Rubin, "we1ve been putting all the pieces together, which is not trivial. It1s the big challenge of the whole genome shotgun approach." The finished genome already seems to be remarkably revealing...

UCSD scientists identify genes controlling seed dispersal

... pods are opening at the same time the farmers are collecting the canola seeds, so its essentially a race in which the farmers try to get as much of their crop without losing it to this pod-shattering problem," says Yanofsky. "By knocking out the two shatterproof genes, we can eliminate this problem, while dras...

How stress maintains population levels

...eeps through the population. They also must begin collecting data at the onset of the disease. To do that, sym...he thousands of "citizen scientists" who have been collecting information about their winter feeder birds as part of the ornithology lab's Project FeederWatch sin...

Molecular structure key to allergies and asthma is identified

...which bounced off the atoms within the crystal. By collecting and analyzing this information, Jardetzky and his colleagues determined the location of each atom within the structure. "The solving of this difficult structure comes at a critical time because the prevalence of allergies and asthma is on the rise ...

Biologists find Peruvian plants inhibit growth of TB bacterium

...ndians. Lewis and his team lived among the tribe, collecting plant samples and learning about specific plants the Indians use in herbal medicinal practices. Upon subsequent testing and analysis of the collected plants in St. Louis in collaboration with Dr. Scott Franzblau at the Federal Hansen Laboratory at L...

Scientists fear loss of colobus monkey heralds beginning of 'extinction spasm' of many West African species

...lloughby Lowe and named after his companion on the collecting trip, Miss F. Waldron. However, almost no study had been done of the animal after the initial discovery, said Struhsaker, a conservation biologist who is a research scientist in Duke's department of biological anthropology and anatomy. "The Miss Wal...

Offshore oil and gas platforms could provide more than just fuel; cures for cancer and AIDS could be at stake

... the environment. The agency is also in charge of collecting and distributing revenue from mineral leases across the U.S....

Collecting research data on computer wave of future, UT Southwestern researchers report in JAMA

...n the process of creating such a secure system for collecting sensitive medical research data. The data collecti...l medicine, used such a data-collection method for collecting data in a large epidemiological study involving several sites throughout the country. Entering data ...

Dinosaurs: New study counters age-old theory

...ize in animals. He has spent the past 24 years collecting data on heart morphology and arterial blood pressure in reptiles, birds and mammals to determine how blood pressure influences the thickness of the heart wall. His research is directed at understanding the evolution of vertebrate cardiovasc...

Genes reveal new clues about the first flower

...ty of leaves and flowers from plants they had been collecting from around the world for over a decade. "It has taken us ten years to collect tissues from over 1,000 plant species, including those whose genetic origins are thought to be the most ancient--plants growing as far away as Borneo and as close as righ...

UC Davis science newstips Feb 01

...ment, and its arms can be fitted with a variety of collecting and sampling equipment. Because of their strange and hostile habitat, deep-sea bacteria have evolved survival strategies found nowhere else on Earth. Far from the sun, they live on hydrogen sulfide seeping from cracks in the seafloor, and use nitrat...

Antarctic sea urchin shows amazing energy-efficiency in nature's deep freeze

...wn back to the lab by helicopter. The problem with collecting marine animals in Antarctica is not keeping them cold during the trip back to the lab but to keep the seawater in the coolers from freezing solid during the trip, Marsh explains. Housed in the lab in the cold water pumped in from McMurdo Sound,...

UCSD researchers create a home for liver cells on a silicon chip

...hots in time, either by destroying the cells or by collecting a sample of the solution and testing it using an antibody, a process that could take up to a day....

Amphibian mortality linked to global climate change

...ate University. "For over 10 years, we have been collecting data at a number of sites in the Cascades, 4,000 to 7,000 feet above sea level, where there are large breeding populations of western toads," says Kiesecker, whose team backpacks for 10 miles to reach some of the remote sites. The researchers work i...

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