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Tag: "document" at biology news

Undergraduate research shows leaderless honeybee organizing

...experiment, Pierce and his co-authors were able to document details of bee social behavior that fundamentally...e a general instruction to fly. The researchers document that the workers stop using the vibration signal when the queen flies and leaves the nest with the s...

Reconstructing the biology of extinct species: A new approach

.... The project is the first large-scale study to document the relationship of the dimensions of the semicircular canals to locomotion. These structures are filled with a fluid, which moves within the canals when the animal moves. The fluid's movement is sensed by special cells that send signals to the bra...

DNA repair proteins monitored at double-strand break

...Our approach solved that problem and allowed us to document the cell’s response to double-strand DNA breaks over time. The technique provides significantly more information about the proteins that repair DNA than is possible using the standard microscope-based approach previously used for such work." Kastan i...

World's leading scientists announce creation of 'Encyclopedia of Life'

...lopedia of Life, an unprecedented global effort to document all 1.8 million named species of animals, plants, and other forms of life on Earth. For the first time in the history of the planet, scientists, students, and citizens would have multi-media access to all known living species, even those that have j...

Massive coral death attributed to earthquake

...e shallow reef." "This is a unique opportunity to document a process that occurs maybe once a century and promises to provide new insights into coral recovery processes that until now we could only explore on fossil reefs" says Dr Baird. Dr Campbell adds "The news from Simeulue is not all bad. At many sit...

E. coli bacteria migrating between humans, chimps in Ugandan park

... human settlements. But this is the first study to document the exchange of E. coli between humans and chimps in a protected wildlife area. It is also the first to find antibiotic-resistant strains in chimpanzees in Africa. "Antibiotic resistance has traditionally been associated with two factors: indiscri...

A potential biological cause for sudden infant death syndrome

...of JAMA, researchers at Children's Hospital Boston document abnormalities in the brainstem ?a part of the brain that regulates breathing, blood pressure, body heat, and arousal ?in babies who died from SIDS. SIDS is the leading cause of death in American infants after the newborn period, affecting 0.67 in ...

Adolescent but not adult hamsters are more aggressive on low dose of fluoxetine

... The neuroscientists videotaped the encounters to document behaviors such as attacks, pins, contact time, contact bouts and target of attack. The adult hamsters treated with either dose of fluoxetine became generally more peaceful, attacking less often and for shorter times. However, the juveniles resp...

New dwarf buffalo discovered by chance in the Philippines

... new fossil species will spur us to new efforts to document the prehistory of our island nation." The Philippines include more than 7,000 islands. During the last glacial maximum about 20,000 years ago, much of the water in the oceans was frozen in glaciers, resulting in much lower sea levels--about 400 fee...

Inflammation markers identify fatigue in breast cancer survivors

...Irwin and his colleagues' research is the first to document an association between biological mechanisms involved with the immune response and persistent fatigue. "It is such an important quality of life issue. Many patients are surviving from their cancer treatments, but they are surviving with substantial...

Major initiative proposed to address amphibian crisis

...ne of the pioneers in this field, who first helped document amphibian declines almost 20 years ago. "These are bioindicators that something is wrong with the planet," he said. "But amphibians play a major role in many ecosystems, in some places the amphibian biomass is greater than that of all the other ve...

New research finds surveys of larval-stage organisms effective for measuring marine biodiversity

There is a push to document the biodiversity of the world within 25 years. However, the magnitude of this challenge is not well known, especially when it comes to vast and often inaccessible marine environments. To date, surveys of species diversity in the world's oceans have f...

Precision biochemistry tracks DNA damage in fish

...fish, PNRI used an infrared spectroscopy method to document DNA damage in the gills of English sole. In a new joint paper, the researchers report on several biomarkers, including pollution-induced P450 enzyme changes, and on infrared spectral analysis of DNA and measurements of specific modifications to DNA ...

Higher risk for cervical cancer seen among women infected with multiple HPV types

...bor multiple HPV types, this study is the first to document that the risk for developing cervical cancer, the second most common form of cancer in women worldwide, is higher in females infected with multiple HPV types than those infected with just one HPV type. In addition, the study's findings provide bas...

Ecosystem services and invasive species

...chie River some 25 years after other scientists to document changes in the freshwater mussels. "It seems only appropriate that while we are all concerned about loss of biodiversity in the rainforests and coral reefs that we at least start to learn what is in our own backyards. Tennessee and neighboring s...

Ready, set, mutate?and may the best microbe win

... team characterized each of the mutant proteins to document precisely how it aided in metabolic regulation. The fermentor experiment was repeated and the same mutations ?and no others ?were observed to develop again. Three of the six genes ?the "winner," it's closest competitor and Q199R ?were spliced back in...

How ancient whales lost their legs, got sleek and conquered the oceans

...year in Pakistan and India collecting fossils that document the land-to-water transition of whales. Researchers say the findings tend to support traditional evolutionary theory, a la Charles Darwin, that says minor changes over vast expanses of time add up to big changes. And while Sonic hedgehog's role in ...

Ecologists home in on how sperm whales find their prey

...perm whales presents a non-invasive opportunity to document feeding activity." says Watwood. ...

First 'encyclopedia' of nuclear receptors reveals organisms' focus on sex, food

...itute in California collaborated on two studies to document the gene-expressing activity of the superfamily of 49 nuclear receptors, anatomically and in circadian rhythms ?better known as the biological clock. In the anatomical study, researchers used mice to profile the location and activity of the superfa...

Atmospheric ozone recovering in mid-latitudes, report shows

...namics. The study, funded by NASA, is the first to document a difference among stratospheric regions in ozone-level improvement and to establish a cause-and-effect relationship based on direct measurements by multiple satellite andground-based, ozone-monitoring systems. "We do think we're on the road to reco...

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