Tag: "scratch" at biology news

Bigger Biology Tackled Through Keyboards

...altruism has evolved. "It's a strategy of, if you scratch my back, I'll scratch yours,"Hastings said. Different strategies for interacting (cooperating for mutualgain or competing ...

Possible Human Ancestors In Spain 780,000 Years Ago

...he first Europeans were using simple stonetools to scratch out a living in a cave called Gran Dolina in the AtapuercaMountains of northern Spain. Whether they were direct ancestors of modern Homosapiens or an evolutionary dead end like the Neanderthals is for anthropologiststo decide. But Josep Pares is ce...

Transplant cells show capacity for mending nervous system

...s important because it shows that cells grown from scratch can be usedto repair defective nerves. The report was published this week (Friday, July 30)in the journal Science by a team of scientists from the University of BonnMedical Center, the National Institute of Neurological Disorders and Stroke(NINDS) an...

Rockefeller University researchers discover immune-cell mechanism that boosts therapeutic antibody potency

...tors on effector cells. "Rather than starting from scratch and having to wait as long as 10 years before therapies are available, pharmaceutical researchers can modify drugs already well along in the development pipeline," he says. "This may represent the next wave of truly effective drugs for cancer." Ravet...

Media Advisory 2: Fall Meeting: Abstracts, press conferences, press registration

...ll Meeting. As always, the press conferences only scratch the surface of the thousands of newsworthy oral and poster presentations, and reporters who comb through the abstracts are almost guaranteed to find exciting sessions that will be, essentially, exclusives. Following are some of the press confe...

New rare dinosaur tracksite found in northern Wyoming

...tirely of grooves that appear to be the remains of scratch marks made by dinosaurs whose feet briefly touched a muddy bottom while they were swimming. The groove marks have a size and spacing consistent with terrestrial dinosaur tracks found elsewhere in the Gypsum Spring Formation. Unlike the Sundance trac...

Study of poisonous snakes boosts old Batesian principle of mimicry

...d. Because the plasticine models retained bite and scratch marks, they became a clear record of how often predators grabbed them. "Attacks were much more frequent on our ringed models in central North Carolina than they were in southern North Carolina and South Carolina, about 50 percent vs. about 6 perc...

Ticks have potential to transmit cat scratch disease

WASHINGTON, DC - April 12, 2001--Cat scratch disease may no longer be the appropriate name for ...hat B. henselae was identified as the cause of cat scratch disease. More recently, two other species, B. washoensis and B. vinsonii subspecies berkhoffii have...

Study offers insights into evolutionary origins of life

...t it was not isolated from nature but created from scratch in the laboratory. This ribozyme can use information from a template RNA to make a third, new RNA. It can do so with more than 95 percent accuracy, and most importantly, its ability is not restricted by the length or the exact sequence of letters in ...

UC Berkeley expert on insect flight receives prestigious MacArthur 'genius' award

...long the remote Na Pali coast of Hawaii. He had to scratch the foundation's phone number in the sand, but the cellphone shorted out in the dampness before he could call back. He finally contacted the foundation yesterday from a pay phone at Kokee State Forest, where he had gone to see "wild Drosophila (fruit...

New application of imaging technique can change how scientists look at proteins

...re extremely far-reaching. We're just starting to scratch the surface." ...

Future advances of 20,000-year-old coatings technology detailed in upcoming Science magazine

...the technology offers a significant improvement in scratch and mar resistance to prolong the appearance of the paint finish over repeated washings. The technology breakthrough is the result of fundamental molecular engineering research and the development of analytical equipment and tools to guide that rese...

Alzheimer's, nutrition, smallpox, and other 'Human Health Frontiers' addressed by AAAS speakers

...pps.edu MICROBES: Scientists have only begun to scratch the surface of the microbial world, but new molecular technologies offer hope that unknown impact of microbes on human health will become increasingly understood. "We know very little about the diversity of life on our planet," said David Relman, an...

World's largest scientific society convenes regional meeting in Charleston, S. C., Nov. 13-16

...developed an ophthalmic lens that is 40 times more scratch resistant than currently available ophthalmic lenses. (Charles K. Chiklis, TriboFilm Research, Inc., Raleigh, N. C., 919-838-2844, ext. 4, chiklis@tribofilmresearch.com Plasma coatings for medical devices Scientists are developing a silicone fre...

Clock cues: Cellular sensing, metabolism research wins Amersham Biosciences and Science Prize

...g, parts of my work, to look back at starting from scratch and actually see some headway in understanding the biology," said Rutter. "Biological rhythms and their underlying mechanisms have become an exciting domain in neuroscience and cell biology. Rutter's work has provided an important new insight that wi...

Tailor-made sugar coated proteins manufactured in novel E. coli system

... using mutational analysis. "We have only begun to scratch the surface in understanding important role sugars play in our body," said Professor Dell. "Many common diseases including certain types of rheumatoid arthritis and muscular dystrophy have already been linked to disruption of the delicate balance of ...

Researchers warn biotech advances could be misused by terrorists

...United States were able to create polio virus from scratch by assembling pieces of DNA. The Hopkins researchers suggest these technologies could make harmless unregulated organisms dangerous and render obsolete current policies to restrict access to dangerous pathogens. The Center for Civilian Biodefense Str...

Evidence for orangutan culture

... obtain insects, to extract seeds from fruit or to scratch body parts; -- using leafy branches to swat insects or gather water; -- "snag-riding," the orangutan equivalent of a sport in which the animals ride falling dead trees, grabbing vegetation before the tree hits the ground; -- emitting sounds such as "...

Drug-resistant seizures often take years to develop

...se data give us some clues, but they only begin to scratch the surface. We need careful, prospective long-term studies in order to accurately understand the long-term prognosis of partial epilepsy," says Dr. Berg. She and her colleagues are now conducting additional studies to determine which patients devel...

New Northwestern center targets brain disorders

...kal and his staff build their own microarrays from scratch and are continually evolving the technology. Now they can train faculty, undergraduate and graduate students, and visiting scholars to build customized gene chips for their own discoveries. Moskal and his staff already have taught a class in advanced...

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