Tag: "scientist" at biology news

Cellular message movement captured on video

...Chien and the paper’s co-author, associate project scientist Ying-Li Hu, filmed red-fluorescence-tagged paxillin molecules traveling from cells’ outer membrane along green-fluorescence-labeled traces of cytoskeleton. Even without video evidence, scientists have confirmed over the past 10 years that higher orga...

Agent slows aging in mice

...American Aging Association, University of Michigan scientist Richard A. Miller reports early results from a mou...e U-M Geriatrics Center. Miller is also a research scientist at the Ann Arbor VA Medical Center. No significant difference occurred in female mice. The scient...

Soils offer new hope as carbon sink

...store carbon long-term. NSW DPI senior research scientist Dr Lukas Van Zwieten said soils naturally emit abo...otent as carbon dioxide). NSW DPI environmental scientist Steve Kimber said an added benefit for both the farmer who applies agrichar and the environment is t...

Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

...Yauk, Ph.D., lead author of the study and research scientist in the Mutagenesis Section of Health Canada’s Environmental and Occupational Toxicology Division. “We have known that mothers who smoke can harm their fetuses, and here we show evidence that fathers can potentially damage offspring long before they m...

Discovery in orange cauliflower may lead to more nutritious crops

...he Department of Plant Breeding and Genetics and a scientist at the U.S. Department of Agriculture -- Agricultural Research Service's U.S. Plant, Soil and Nutrition Laboratory at Cornell. "The research provides a possible new technique for genetically modifying staple crops to increase their ability to store b...

Research team identifies new Alzheimer's gene

... will open a new era in Alzheimer research. When a scientist suspects a particular gene or pathway maybe implicated in Alzheimer’s disease, they will use these data to see if there is genetic evidence supporting their idea. Reviewing these data in an hour will permit them to save months of work and thousands ...

New study finds genetically engineered crops could play a role in sustainable agriculture

...ustainable agriculture,” said Peter Kareiva, chief scientist of The Nature Conservancy. According to lead author, Michele Marvier, of Santa Clara University, “We can now answer the question: Do Bt crops have effects on beneficial insects and worms" The answer is that it depends to a large degree upon the t...

MU researchers to study the status of black bears in Missouri

...ck bear population.” Dave Hamilton, a resource scientist at the Missouri Department of Conservation, said he believes there are approximately 300 black bears in Missouri, but only a few females. This study will give the Missouri Department of Conservation a better understanding of the population. “Thi...

Plastic that grows on trees

...ad Zhang, senior author who led the research and a scientist with the PNNL-based Institute for Interfacial Catalysis, or IIC. That building block is called HMF, which stands for hydroxymethylfurfural. It is a chemical derived from carbohydrates such as glucose and fructose and is viewed as a promising surro...

Exploring the dark matter of the genome

...better-studied euchromatin," says Karpen, a senior scientist in Berkeley Lab's Life Sciences Division and an ad... studying heterochromatin," says Susan Celniker, a scientist in Berkeley Lab's Life Sciences Division and a longtime member of the Berkeley Drosophila Genome Pro...

Gene responsible for common hearing loss identified for first time

...lerosis, has been identified for the first time, a scientist told the annual conference of the European Society of Human Genetics in Nice, France. Ms Melissa Thys, from the Department of Medical Genetics, University of Antwerp, Belgium, said that this finding may be a step towards new treatments for otoscleros...

Human genetic 'deserts' are teeming with significant life

...ght to be deserts are in fact teeming with life, a scientist will tell the annual conference of the European Society of Human Genetics today (Tuesday 19 June). Most known human genes in the genome map are still incompletely annotated, says Professor Alexandre Reymond, from the Centre for Integrative Genomics,...

Prey not hard-wired to fear predators

...ording to a study by Wildlife Conservation Society scientist Dr. Joel Berger, who says that several large prey species, including moose, caribou and elk, only fear predators they regularly encounter. If you take away wolves, you take away fear. That is a critical piece of knowledge as biologists and public a...

Putting feelings into words produces therapeutic effects in the brain

... some 2,500 years, said David Creswell, a research scientist with the Cousins Center for Psychoneuroimmunology at the Semel Institute for Neuroscience and Human Behavior at UCLA. Mindfulness is a technique in which one pays attention to his or her present emotions, thoughts and body sensations, such as bre...

Scientists discover 5 new species of sea slugs from the Tropical Eastern Pacific

... a dive shop in Puerto Vallarta. And by STRI staff scientist D. Ross Robertson. It took Hermosillo and her collaborators two more years to identify the animals in the new collection by comparing them to existing collections, consulting specialists and using a scanning electron microscope to examine the j...

Smallpox outbreak: How long would it take for vaccines to protect people? Would it work?

...ted States, how long would it take for a vaccinSLU scientist leads national studye to start protecting Americans by stimulating an immune response? A new national study led by Saint Louis University School of Medicine will attempt to answer this question. General routine vaccinations for smallpox were sto...

Arctic ice retreating more quickly than computer models project

... impact of greenhouse gases is growing," says NCAR scientist Marika Holland, one of the study’s co-authors. The authors compared model simulations of past climate with observations by satellites and other instruments. They found that, on average, the models simulated a loss in September ice cover of 2.5 per...

Early exposure to indoor fungus molecules may protect infants against future allergies

...mes. Study lead author and environmental health scientist Yulia Iossifova says exposure to high levels of these molecules may also protect against allergy development in high-risk infants. The immune system’s protective effects only appear to occur when there are high levels of microbial exposure," she e...

An ancient bathtub ring of mammoth fossils

...tologic data," said George Last, a senior research scientist at the Department of Energy laboratory in Richland, Wash., whose sideline is researching the ice-age floods. "Winter has eroded the slopes, exposing new evidence. We’re interested in researching any known or suspected mammoth find, to collected addit...

Scientists: As rainfall changes, tropical plants may acclimate

...mate, new research shows. A University of Florida scientist and other researchers have found that plants in Hawaii have the ability to acclimate to big changes in rainfall in at least one important respect ?how they get nutrients. The plants largely rely on one form of the vital nutrient nitrogen in moist are...

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