Tag: "physical" at biology news

Highlights of the October 2004 Journal of the American Dietetic Association

... soft drinks, particularly in excess, has negative physical effects. However, parents did feel that the health...st nutrition experts agree that along with regular physical activity, people should keep tabs on their portion sizes to help them manage the number of calories ...

EMBO Gold Medal 2004 goes to Spanish scientist

...ng Investigator Award in 2004. * Telomeres are the physical ends of chromosomes and have important functions, primarily in the protection, replication, and stabilization of the chromosome ends....

'Most recent common ancestor' of all living humans surprisingly recent

...corporates factors such as socially driven mating, physical barriers of geography and migration, and recorded historical events. Although such complexities make pure mathematical analysis difficult, it was possible to integrate them into an elaborate computer simulation model. The computer repeatedly simulate...

Winning combination to build bone density in children

...nt. It is widely accepted that calcium intake and physical activity are two ways one can positively impact bo...three 8 oz. glasses of milk, or solely engaging in physical activity isn't enough to help kids in this age group retain the maximum amount of bone mass. Resea...

HHMI, NIBIB/NIH to invest up to $35 million in interdisciplinary Ph.D. programs

...s who are familiar with the tools and ideas of the physical and computational sciences and engineering. The Ho...ms that integrate the biomedical sciences with the physical sciences and engineering HHMI will award up to 10 three-year grants of as much as $1 million each t...

Atacama rover helps NASA learn to search for life on Mars

...ding its morphology, geology, mineralogy, texture, physical and elemental properties of rocks and soils; document how life modifies its environment; characterize the geo- and biosignatures of microbial organisms and draft science protocols to support a discovery of life. Ames scientist Chris McKay is conducti...

DNA barcode finds four new bird species

...ly have classified organisms on the basis of their physical characteristics. They use DNA too, but current tec...o an actual museum specimen. "Linking sequences to physical specimens makes the results believable, repeatable and open to revision," says Stoeckle. ...

Rice finds 'on-off switch' for buckyball toxicity

...ostulate that cell death in the tests occurred via physical disruption of the cell membrane by oxygen radical species generated by the buckyballs. Colvin and her colleagues emphasize that the study only fills in part of the puzzle regarding fullerene toxicity. For example, because cytotoxic studies look only ...

Spun from bone

...terial but end up quite different in structure and physical properties. The difference in bone and enamel microstructure is attributed to a key protein in enamel that molds crystals into strands thousands of times longer and much stronger than those in bone. The dimension of an enamel strand is 100,000 by 50 ...

NSF and AIBS sign cooperative agreement for NEON project office

...om complex interactions between human, natural and physical systems," said Elizabeth Blood, program director in NSF's division of biological infrastructure, which funded the award. "These systems change over time and cross all levels of biological organization. To better understand these ecosystems and fore...

ORNL's Delmau joins Technology Review's list of top young innovators

...l Sciences Division, specializes in studies of the physical properties of ligands and separation science with an emphasis on thermodynamics, radiochemistry and physical chemistry. "Laetitia's selection by Technology Review is a timely recognition of her remarkable rec...

Martin Saunders to receive the James Flack Norris Award

...2005 recipient of the James Flack Norris Award for physical organic chemistry. The award, established in 1963... encourage and reward outstanding contributions to physical organic chemistry, will be presented to Saunders at the national meeting of the American Chemical So...

Cockroach-like robot leads new research effort

...o uncover. By tweaking the robot and using it as a physical model, they hope to tease apart the complex neural and muscular networks in insects. At the same time, they will conduct biomechanical and neurological experiments on insects and develop mathematical models to improve the robot. This multi-prong...

9/11 search-and-rescue dogs exhibit few effects from exposure to disaster sites

... clear that we don't see any trends in the current physical or behavioral wellbeing of these dogs that would be cause for alarm." Initially, blood tests showed that the deployed dogs exhibited higher bilirubin concentration and alkaline phosphatase activity, which indicates that their livers were actively f...

Genetic analysis rewrites salamander's evolutionary history

...cepted classification, which is based primarily on physical features. Salamanders formerly classified together because of similar characteristics, such as a tail that breaks at only one spot as opposed to anywhere when stressed, now appear not to be close relatives at all. And salamanders that go through an a...

Joslin Diabetes Center adds first affiliate in California at Irvine Medical Center

... they're investigating innovative ways to increase physical activity and optimize nutrition education programs in schools. Additionally, Wang and his colleagues discovered a hormone similar to insulin that prevents heart muscle from dying. The findings suggest that gene therapy might help treat a variety of ...

Newborns have ear preferences, too

... hearing sciences department. "There are really no physical differences between right and left ears, although no one's really looked at anatomical differences between right and left brain stems. We think a neural pathway much lower in the brain could be causing the stimulus-related ear differences in newborns...

Computer scientists at UH developing 'nurturing' computers

...rstand and respond to computer users' feelings and physical states. This would enable a two-way exchange, with each participant (computer and human) aware of the other and responding appropriately. As the principal investigator, Pavlidis aims to add a new dimension in human-computer interaction, with the p...

Rensselaer marks the opening of the center for biotechnology and interdisciplinary studies

...ion of the life sciences, with engineering and the physical and information sciences, thereby accelerating dis... focused on the application of engineering and the physical and information sciences to the life sciences. The Center for Biotechnology and Interdisciplinary St...

Battle between bubbles might have started evolution

...l-of-the-fittest might have played out as a simple physical duel between fatty bubbles stuffed with genetic ma...ak and his colleagues theorized that a far simpler physical process might explain why cells would compete with one another for the materials necessary to expand...

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