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Showing releases 176-200 out of 262 releases.
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Public Release: 18-Jul-2009
ACSNano
A quicker, cheaper SARS virus detector -- one easily customizable for other targets
USC researchers say they've made a big improvement in a new breed of electronic detectors for viruses and other biological materials -- one that may be a valuable addition to the battle against epidemics.
National Institutes of Health, Whittier Foundation
Contact: Eric Mankin
mankin@usc.edu
213-821-1887
University of Southern California
Public Release: 17-Jul-2009
Journal of Biological Chemistry
Protein can help cells or cause cancer, Purdue researcher finds
A Purdue University scientist has discovered a key process in cell growth that can lead to the formation of tumors. Xiaoqi Liu, an assistant professor of biochemistry, found that an overabundance of the polo-like kinase 1, or Plk1, molecule during cell growth, as well as a shortage of the p53 molecule, will lead to tumor formation.
National Institutes of Health
Contact: Brian Wallheimer
bwallhei@purdue.edu
765-496-2050
Purdue University
Public Release: 17-Jul-2009
Science
Due credit to the jockeys
Over the past century, horseracing times have greatly improved, but that does not mean that horses have gotten quicker. In fact, a new study shows that it's the jockeys who are actually responsible for these faster speeds, researchers report in the July 17 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 17-Jul-2009
Science
Overcoming Asperger 'mindblindness'
People with Asperger syndrome may be as "mindblind" as those with other autism disorders -- but have developed workarounds to cope with the deficit, researchers report in the July 17 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 17-Jul-2009
Science
Neanderthal population may have been small
A new method of ancient DNA sequencing has allowed a team of researchers to generate the complete or near-complete mitochondrial DNA genome from six Neanderthal fossils, researchers report in the July 17 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 17-Jul-2009
Science
Rotavirus epidemics predicted by birth rates
In the United States, epidemics of rotavirus start in the southwest in late fall and end in the northeast by winter. Now, Virginia Pitzer and colleagues show that the timing of these epidemics may be due to differences in birth rates across the country, rather than an environmental factor such as climate differences, researchers report in the July 17 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 16-Jul-2009
Science
Research indicates ocean current shutdown may be gradual
The findings of a major new study are consistent with gradual changes of current systems in the North Atlantic Ocean, rather than a more sudden shutdown that could lead to rapid climate changes in Europe and elsewhere.
National Science Foundation
Contact: Peter Clark
clarkp@geo.oregonstate.edu
541-737-1247
Oregon State University
Public Release: 16-Jul-2009
Science
'Motion picture' of past warming paves way for snapshots of future climate change
By accurately modeling Earth's last major global warming -- and answering pressing questions about its causes -- scientists led by a University of Wisconsin-Madison climatologist are unraveling the intricacies of the kind of abrupt climate shifts that may occur in the future.
National Science Foundation
Contact: Zhengyu Liu
zliu3@wisc.edu
608-262-0777
University of Wisconsin-Madison
Public Release: 16-Jul-2009
Physics
Superconductivity: Which one of these is not like the other?
Superconductivity appears to rely on very different mechanisms in two varieties of iron-based superconductors.
Contact: James Riordon
riordon@aps.org
301-209-3238
American Physical Society
Public Release: 15-Jul-2009
JAMA
Hormone therapy use associated with increased risk of ovarian cancer
Compared with women who have never taken hormone therapy, those who currently take it or who have taken it in the past are at increased risk of ovarian cancer, regardless of the duration of use, the formulation, estrogen dose, regimen or route of administration, according to a study in the July 15 issue of JAMA.
Contact: Lina Steinrud Mørch
linamorch@yahoo.dk
JAMA and Archives Journals
Public Release: 15-Jul-2009
JAMA
Research identifies network of altered genes that appear to play role in development of brain tumors
The interaction between a network of altered genes appears to play an important role in the development and progression of brain tumors, according to a study in the July 15 issue of JAMA.
Contact: Marla Paul
marla-paul@northwestern.edu
312-503-8928
JAMA and Archives Journals
Public Release: 14-Jul-2009
Proceedings of the National Academy of Sciences
Story ideas from the Proceedings of the National Academy of Sciences
The highlights of the PNAS tipsheet for July 13-17 include: Pandemic influenza viruses take years to emerge; Optimizing reconstructive microsurgery; Differences between lung cancer in smokers and nonsmokers reveal new target for therapies; High resolution genetic map for Down Syndrome; Fetal-maternal heart rate coordination; Vitamin deficiency syndrome strikes European birds; Ancient Vietnamese fires linked to warfare.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 10-Jul-2009
Proceedings of the National Academy of Sciences
Fish on the menu of our ancestors
The isotopic analysis of a bone from one of the earliest modern humans in Asia, the 40,000 year old skeleton from Tianyuan Cave in the Zhoukoudian region of China, has shown that this individual was a regular fish consumer
Contact: Sandra Jacob
jacob@eva.mpg.de
49-341-355-0122
Max-Planck-Gesellschaft
Public Release: 10-Jul-2009
Science
How the turtle got its shell
In the July 10 issue of Science, a new study from Japan shows how the turtle's shell may have evolved, as the animal's ribs fused together to encase the shoulder blades -- an extraordinary development, considering that these bones lie outside the ribs in most other vertebrates.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 10-Jul-2009
Science
Being bilingual keeps the mind limber
How do children in bilingual households manage to learn two languages in the same amount of time it takes monolingual children to learn just one? The answer may be found in new research showing that infants exposed to two languages develop more flexible learning strategies when coping with linguistic stimuli, according to the July 10 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 10-Jul-2009
Science
Can cutting calories increase life spans?
A 20-year study on rhesus monkeys suggests that substantially reducing caloric intake slows the aging process and leads to longer life spans in primates, researchers report in the July 10 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 10-Jul-2009
Science
Reston ebolavirus found in pigs
Reston ebolavirus, previously known to infect monkeys and humans, has turned up in pigs in the Philippines, researchers report in the July 10 issue of Science.
Contact: Science Press Package
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 8-Jul-2009
Journal of Biological Chemistry
Tryptophan deficiency may underlie quinine side effects
Researchers have found that the anti-malarial drug quinine can block a cell's ability to take up the essential amino acid tryptophan, a discovery that may explain many of the adverse side effects associated with quinine.
Contact: Nick Zagorski
nzagorski@asbmb.org
301-634-7366
American Society for Biochemistry and Molecular Biology
Public Release: 8-Jul-2009
JAMA
Reduced-dose schedule for pneumococcal vaccine in infants shows effectiveness
Infants who received two or three primary doses of the 7-valent pneumococcal conjugate vaccine both had a decreased rate of carrying pneumococcal microorganisms that can cause pneumonia and other infections, compared to infants who were not vaccinated, according to a study in the July 8 issue of JAMA.
Contact: Elisabeth A.M. Sanders
l.sanders@umcutrecht.nl
JAMA and Archives Journals
Public Release: 8-Jul-2009
JAMA
Newer, minimally invasive surgery to treat sciatica does not result in better outcomes
A comparison of surgical treatments for sciatica finds that the minimally invasive procedure known as tubular diskectomy does not provide a significant difference in improvement of functional disability compared to the more common surgery, conventional microdiskectomy, according to a study in the July 8 issue of JAMA.
Contact: Mark P. Arts
m.arts@mchaaglanden.nl
JAMA and Archives Journals
Public Release: 7-Jul-2009
Proceedings of the National Academy of Sciences
Story ideas from the Proceedings of the National Academy of Sciences
The highlights of the PNAS tipsheet for July 6-July 10 include: Social Security Numbers can be predicted from public data; An efficient rabies vaccine; Dinos: How so huge?; Near-ultraviolet radiation can generate hydrogen from water; Sharing carbon dioxide emissions targets; Early modern humans fancied fish; Caterpillars show resistance to toxins in genetically modified crops; Identifying anti-Alzheimer's antibodies.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 6-Jul-2009
Elsevier announces 2008 journal impact factor highlights
Elsevier, the leading publisher of scientific, technical and medical information products and services, today announced the highlights of its journal impact factor performance in 2008. Elsevier overall saw 75 percent of its journal impact factors increase from 2007 to 2008.
Contact: Shira Tabachnikoff
s.tabachnikoff@elsevier.com
31-204-852-736
Elsevier
Public Release: 5-Jul-2009
Science in China Series F: Information Sciences
A method for 3D modeling and coding
The research of 3D modeling and coding for real objects is a hot area in Virtual Reality and Computer Graphics. A paper focused on this field was published on the May issue of Science in China: Series F.All these methods have been applied in Digital Museum.
National Natural Science Foundation of China；the Key grant Project of Chinese Ministry of Education；the Project of Chinese Ministry of Science and Technology
Contact: Qi Yue
qy@buaa.edu.cn
Science in China Press
Public Release: 5-Jul-2009
Science in China Series F: Information Sciences
The new era for geo-information
Along with the forthcoming of Google Earth, Virtual Earth, the next generation of Internet, Web 2.0, Grid Computing and smart sensor web, comes the new era for Geo-Information. The paper mainly discussed the features of new Geo-Information era was published on the latest issue of Science in China: Series F.
Contact: LI Deren
drli@whu.edu.cn
Science in China Press
Public Release: 3-Jul-2009
Trials
Doubts cast on credibility of some published clinical trials
Randomised Controlled Trials are considered the "gold standard" research method for assessing new medical treatments. But research published in BioMed Central's open access journal Trials shows that the design of a remarkable 93 percent of 2235 so-called RCTs published in some Chinese medical journals during 1994 to 2005 was flawed, casting doubt on the reliability of research that is likely to influence medical decision-makers.
Contact: Charlotte Webber
charlotte.webber@biomedcentral.com
44-078-253-17342
BioMed Central
Showing releases 176-200 out of 262 releases.
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