Tag: "selected" at biology news

Fruits And Vegetables Protect Lungs

... Nutritional Examination Survey of 18,162 randomly selected adults in the United States to see if dietary and blood serum antioxidants were associated with lung function and to see whether smokers and nonsmokers had similar effects. Previous studies had suggested that beta carotene and other antioxidants mi...

Birds Sing The 'Story Of Their Lives,' Theorize Duke Biologists

... "We can consider bird song as a sexually selected trait, but we have tounderstand that the focus of selection is on the bird's brain." Nowicki and his colleagues are now conducting laboratory experiments toconfirm their theory, in which they feed growing birds differently and study theeffect...

Study Of Sulfides In Bacteria Casts Doubts On Evidence Of Life In Martian Meteorite ALH84001

...on sulfide with these minerals, which give similar selected areaelectron diffraction patterns....

Study Highlights the Use of Viruses as Tools for Material Science and Drug Delivery

...netic material, reassembled andused as couriers of selected substances is a significant challenge toconventional thinking. Hope for significant medical advances come from the fact that the tworesearchers were able to load an organic substance similar to heparin--which isroutinely used to treat coronar...

DFG To Set Up 32 New Postgraduate Research Groups - First "Virtual Research Group"

...neering sciences. The responsible grants committee selected 32 research groups from a total of 90 applications. This is the first time that the DFG will establish a "virtual" postgraduate research group which will study, from the psychological angle, how knowledge is acquired and exchanged via the new media, ...

ASU Scientists Join NASA Astrobiology Institute

...n their goals. ASU is one of 5 university partners selected for membership inNASA's new "virtual" Astrobiology Institute and ASU research will be united under theauspices of a new ASU Astrobiology Center that will coordinate curriculum development inastrobiology and help coordinate ongoing research with the w...

Neurogenetics Lab Scan Suggests Genetic Linkage On Chromosomes 4 And 11

...use of high alcoholism prevalence, the researchers selected the study population without clinical assessment, on the basis of multigenerational genealogies, current family structure, geographic availability, and willingness to advocate for the study. Of the 582 participants, the researchers clinically evalua...

COGA Genome Scan Suggests Linkage On Chromosomes 1,2,4, And 7

...87 individuals from 105 multigenerational families selected through 23 female and 82 male adults in metropolitan inpatient and outpatient alcoholism treatment programs. Each of the 105 families contained at least three first-degree relatives with alcohol dependence. Like alcoholics in the general U.S. populat...

University Of Pittsburgh Scientist Discovers How A Novel Vitamin K Stops Cancer Cell Growth

...atases, which normally remove phosphate groupsfrom selected proteins inside liver cancer cells. However, Cpd 5 does notinterfere with another group of enzymes called protein tyrosine-kinases, whichadd phosphate groups to these same proteins. The result is an excess of what are calledtyrosine phosphorylated ...

Tracking Hepatitis C: Health Project Demos Worldwide Early-Warning System For Disease Outbreaks; Sandia Tests Disease-Tracking Approach

...ussia, began taking 1cc blood samples fromrandomly selected emergency room visitors who agree to the tests. Me...co cities--Los Alamos, Silver City, andAlamagordo, selected for their demographic similarities with Snezhinsk--arecollecting samples from randomly selected volu...

The Shape Of Life: How Does The Computer "Know" When It Sees It?

...ts annualDiscoverAwards for innovative technology, selected Noever's In Virtuo program as the topcomputersoftw...n the In Virtuo program which Discover magazinehas selected as the top computersoftware innovation the year. This software grew from earlier work funded byNASA'...

Who Needs Flowers? Transgenic Plants Sprout Embryos On Leaves

...s generated by crossingdifferent elite lines, each selected for desired traits.However, these hybrid offspring don't consistently pass thosequalities down to their offspring. But embryo farming could produce "artificial seeds" thatwould all be clones of the hybrid parent and perpetuate itsstrengths, said Hara...

Third Annual Awards For Presidential Green Chemistry Challenge Recognize Innovations

...antly reduce pollution at itssources. The panel is selected by the American Chemical Society, the world'slargest scientific society, as part of its participation in the PresidentialGreen Chemistry Challenge. The U.S. Environmental Protection Agency administers the awards. The EPA, inpartnership wit the Nation...

USGS To Present Diverse Research At ESA Annual Meeting

... recent study. Thestudy was conducted on randomly selected sample sites on and adjacent to grazedareas in Colorado, Wyoming, Montana, and South Dakota. The results suggest thatdisturbance of habitat by grazing animals does not speed the invasion of exoticweeds or produce a richer pattern of native species--...

National Science Foundation Is Taking Small Business Into A New Phase Of Innovation

...rtunity to make this sort of impact." NSF selected four small businesses to participate in the pilot programbased on the intellectual merit and potential impact of their research:Polatomic Corporation, for a miniaturized device to measure the properties of planetary magnetic fields; Pericle Communica...

Penn Researchers Find Mutation In Prostate Cancer Gene

...ation, research, andquality patient care. Penn was selected as the winner of the 1998National Quality Health Care Award, one of the industry's mostprestigious honors. In addition, the Hospital of the University ofPennsylvania (HUP) ranked among the nation's best in many keyspecialties by US News & World Repo...

Yeast Rises To A New Occasion

...o efficiently convert xylose to ethanol. She then selected a yeast that could ferment xylose, but which was not effective for fermenting glucose, and cloned from that yeast three genes responsible for producing the xylose-fermenting enzymes. Ho also developed a new method to integrate multiple copies of t...

Study Demonstrates High Conservation Potential Of Logged Rainforest

... To fill that gap, Cannon and his co-authors selected sites that had been"selectively" logged -- meaning harvested of commercially desirable trees abovea certain size -- either one or eight years before. The logged sites also were intermixed with areas that had not beenpreviously harvested becau...

New Genetic Mutation Linked To Breast Cancer Risk Poses Less Risk Than Previously Discovered Gene Mutations

...s. In one group, 632 women with breast cancer were selected without regard to afamily history of the disease. The APC mutation was detected in 10.1 percent ofthe women in this group. Of those who were found to have BRCA mutations, theprevalence of the APC mutation was even greater -- ranging upward to 19 pe...

Engineering New Enzymes

...is direction is the recombination of subdomains selected from homologous proteins which have diversified through evolution. In the August 18 issue of Proc. Natl. Acad. Sci. USA (vol. 95, Issue 17, 9813-9818) scientists from the Max Planck Institute of Biochemistry in cooperation with scientists...

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