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Showing releases 1-25 out of 459 releases.
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Public Release: 16-May-2012
JAMA
Prenatal micronutrient, food supplementation intervention in Bangladesh decreases child mortality rate
Pregnant women in poor communities in Bangladesh who received multiple micronutrients, including iron and folic acid combined with early food supplementation, had substantially improved survival of their newborns, compared to women in a standard program that included usual food supplementation, according to a study in the May 16 issue of JAMA, a theme issue on Global Health.
Contact: Lars Ake Persson, M.D., Ph.D.
lars-ake.persson@kbh.uu.se
JAMA and Archives Journals
Public Release: 16-May-2012
JAMA
Changes in air pollution levels during Beijing Olympics associated with changes in biomarkers linked to cardiovascular disease
During the 2008 Beijing Olympics, changes in air pollution were associated with changes in biomarkers of systemic inflammation and thrombosis (formation of blood clot) as well as measures of cardiovascular physiology in healthy young persons, according to a study in the May 16 issue of JAMA, a theme issue on Global Health.
Contact: Tong Zhu, Ph.D.
tzhu@pku.edu.cn
JAMA and Archives Journals
Public Release: 15-May-2012
New study shows challenges for China's biotech industry
In a dissertation at Uppsala University Åse Linné has studied how a country like China, despite a weak industrial base and infrastructure, creates biotechnological pharmaceuticals. The findings show, among other things, the importance of the country’s military research and the challenges of an underdeveloped healthcare system with a strong faith in traditional Chinese medicine.
Contact: Åse Linné
ase.linne@fek.uu.se
46-070-772-7267
Uppsala University
Public Release: 15-May-2012
Proceedings of the National Academy of Sciences
Patient referrals might be a major source of MRSA spread in the UK
Researchers have tracked the spread of methicillin-resistant Staphylococcus aureus (MRSA) from hospitals in large population centers in London and Glasgow to regional health care settings, and propose that patient referrals play an important role in transmission in the United Kingdom.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 15-May-2012
Proceedings of the National Academy of Sciences
Influences of education on mortality
If education lowers death rates, the effect is likely to manifest in late adulthood, not shortly after most people complete their education, a study suggests. Previous research has suggested links between education and life expectancy, but evidence for the notion that longer education leads to better health has remained elusive, partly because of the profusion of confounding factors that surround the seemingly circular relationship between education and health.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 14-May-2012
BioScience
Researchers map fish species at risk from dams
Researchers report the results of a global assessment of the threat that dams pose to fish species. Vulnerable species were defined as those whose life cycle requires migration or that are restricted to a specific region. Regions with high levels of river obstruction and large numbers of vulnerable species were mapped and identified as high-priority candidates for conservation or restoration projects.
Swedish Research Council, World Wide Fund for Nature, The Nature Conservancy
Contact: Timothy Beardsley
tbeardsley@aibs.org
703-674-2500
American Institute of Biological Sciences
Public Release: 14-May-2012
Nature Biotechnology
BGI reports the completed sequence of foxtail millet genome
BGI, the world's largest genomics organization, in cooperation with Zhangjiakou Academy of Agricultural Science, has completed the genome sequence and analysis of foxtail millet (Setaria italica), the second-most widely planted species of millet.
Contact: Jia Liu
liujia@genomics.cn
BGI Shenzhen
Public Release: 12-May-2012
China Science Bulletin
The new progress on the study of UHP metamorphic belt in Southwestern Tianshan, central Asia
Coesite has been identified in eclogite and its country rock in the different outcrops, which further suggests the 'in situ' origin of UHP metamorphic belt in southwestern Tianshan, central Asia.
Major State Basic Research Development Program of China;National Nature Science Foundation of China
Contact: Zhang Lifei
Lfzhang@pku.edu.cn
Science in China Press
Public Release: 12-May-2012
Chinese Science Bulletin
China's forest carbon sink/source has made new progress
Existing researchers for the first time mapped the forest carbon sink / source space distribution map (1km) of China to provide better technical support in deal with global warming. The study was published in Chinese Science Bulletin 2012 11.
Major State Basic Research Development Program of China(2012CB955401)、National Natural Science Foundation (30970514,30590384) and the new century talents support program (NCET-10-0251)
Contact: Liu Shuangna
liushuangna@mail.bnu.edu.cn
Science in China Press
Public Release: 12-May-2012
The Annual Meeting of the Society for Academic Emergency Medicine
Electronic medical record tool cuts down on unnecessary CT scans in ER patients with abdominal pain
A new electronic medical record tool that tallies patients' previous radiation exposure from CT scans helps reduce potentially unnecessary use of the tests among emergency room patients with abdominal pain, according to a study from researchers at the Perelman School of Medicine at the University of Pennsylvania that will be presented today at the annual meeting of the Society for Academic Emergency Medicine.
Contact: Holly Auer
holly.auer@uphs.upenn.edu
215-200-2313
University of Pennsylvania School of Medicine
Public Release: 12-May-2012
China Science Bulletin
Fish swimming traces are discovered in Sichuan Provence
The fish swimming traces (Undicha undichna) are described in this paper originated from the Lower Triassic Jialingjiang Formation in Emei City, Sichuan Province. The ichnospecies Undicha undichna is reported for the first time from the Triassic Period in the world and presently is the oldest evidence of vertebrate ichnites in China.
Sichuan Province Programs of Building Key Academic Disciplines, Sichuan Province Programs of Education Reforms
Contact: Lu TingQing
lutingqing@swpu.edu.cn
Science in China Press
Public Release: 12-May-2012
China Science Bulletin
The effects of heavy metals in the sub-lethal concentrations on Chlorella vulgaris
The pollution of heavy metals in the water is one of the world widely-concerned environmental problems. A recent study focused on the toxic effects of five heavy metals on the growth and photosynthesis of Chlorella vulgaris in the sub-lethal concentrations, which would provide a theoretical basis for a comprehensive understanding of the toxic effects of heavy metals.
Key Program of Nature Science Foundation of China，National Natural Science Founds for Distinguished Young Scholars，National Project for Water Pollution Control，Specific Scientific Research Funds for Environment Protection Commonweal Section of China，Docto
Contact: Xu Fuliu
xufl@urban.pku.edu.cn
Science in China Press
Public Release: 11-May-2012
Environmental Science & Technology
First study investigating possible link between sunscreen ingredient and endometriosis
Scientists are reporting a possible link between the use of sunscreen containing a certain ingredient that mimics the effects of the female sex hormone estrogen and an increased risk of being diagnosed with endometriosis, a painful condition in which uterine tissue grows outside the uterus. They describe the report, published in ACS' journal Environmental Science & Technology, as the first to examine whether such a connection may exist.
Contact: Michael Bernstein
m_bernstein@acs.org
202-872-6042
American Chemical Society
Public Release: 11-May-2012
Science
A slower, weaker solar interaction
The sun is moving through interstellar space more slowly than previously thought, and appears to have a weaker interaction with the rest of the galaxy, reports a new study. Our solar system zips through space, traveling inside a bubble of solar wind and magnetic field called the heliosphere.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 11-May-2012
Science
More rare alleles since human population boom
The number of rare gene variants in the human population has increased as the population size has exploded over the last 10,000 years, researchers report. The findings have implications for genetic models that simulate changes in the human population, as these models are typically based on a relatively small number of fully-sequenced genomes.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 11-May-2012
Science
The planet that Kepler missed
An analysis of data provided by the Kepler spacecraft, which has been monitoring the brightness of approximately 150,000 stars and searching for evidence of planets passing in front of them, has led to the discovery of at least one more planet that was not originally identified by the Kepler Team.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 11-May-2012
Science
Earliest known Mayan astronomical calendar
A painted room in a Mayan temple in Guatemala shows numerical records of lunar and possibly planetary cycles, researchers report. The hieroglyphs are from the 9th century, making this calendar several centuries older than those of the Mayan Codices, which were written in bark-paper books.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 10-May-2012
Science Translational Medicine
Protecting brain cancer patients from chemotherapy side effects
Gene therapy may help protect brain cancer patients from the harmful effects of chemotherapy, a new study reports. The strategy should allow patients to receive higher, more effective doses of chemotherapy -- without increasing the risk of dangerous complications like low blood cell counts. A drop in blood cells opens the door for infections, excessive bleeding and other conditions that force many patients to discontinue therapy until cells counts improve.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 10-May-2012
PLoS ONE
Virginia Tech and University of Tuscia lead team to unravel origin of devastating kiwifruit bacterium
An international research team led by Virginia Tech Associate Professor Boris Vinatzer and Giorgio Balestra of the University of Tuscia in Italy has used the latest DNA sequencing technology to trace a devastating pathogen back to its likely origin.
Contact: Zeke Barlow
zekebarlow@vt.edu
540-231-5417
Virginia Tech
Public Release: 9-May-2012
JAMA
Consumption of probiotics associated with reduced risk of diarrhea from antibiotic use
Consumption of probiotics (live microorganisms, which may occur naturally in foods such as yogurt, intended to confer a health benefit when consumed) is associated with a reduced risk of antibiotic-associated diarrhea, a common adverse effect of antibiotic use, according to a review and meta-analysis of previous studies published in the May 9 issue of JAMA.
Contact: Warren Robak
robak@rand.org
310-451-6913
JAMA and Archives Journals
Public Release: 9-May-2012
JAMA
Risk of stroke greater for women than men among older patients diagnosed with atrial fibrillation, regardless of anticoagulant use
In a study that examined use of the anticoagulant medication warfarin and risk of stroke following a diagnosis of atrial fibrillation in older patients, women, especially those 75 years or older, had a higher risk of stroke than men, regardless of their risk profile and use of warfarin, suggesting that current anticoagulant therapy to prevent stroke might not be sufficient for older women, according to a study in the May 9 issue of JAMA.
Contact: Allison Flynn
allison.j.flynn@mcgill.ca
514-398-7698
JAMA and Archives Journals
Public Release: 8-May-2012
Proceedings of the National Academy of Sciences
Potential pièce de résistance in the Chauvet debate
A study based on geomorphological and chlorine-36 dating lends further support to the notion that the paintings in France's Grotte Chauvet might be the oldest cave art in the world.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 8-May-2012
Proceedings of the National Academy of Sciences
The public health implications of biodiversity loss
Declining biodiversity may be contributing to the rise of asthma, allergies, and other inflammatory diseases among people living in cities, a study suggests. Emerging evidence indicates that microbes inhabiting the skin, airways, and gut protect against inflammatory disorders, but little is known about the environmental determinants of the microbiome.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 8-May-2012
Proceedings of the National Academy of Sciences
'Hot Jupiter' systems unlikely homes for Earth-like planets
Planetary systems with a so-called "hot Jupiter" -- a single giant-sized planet circling the central star in a blisteringly tight orbit -- present unlikely homes for Earth-like planets, according to a study. To explain how hot Jupiter systems form, researchers have proposed theories that fall into two broad classes: one that predicts nearby companion planets and one that does not.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 8-May-2012
Proceedings of the National Academy of Sciences
Hominin brain evolution shaped by fetal, pelvic constraints
Hominin brain evolution may have been influenced by fetal and pelvic constraints as human ancestral species switched from quadrupedalism to bipedalism, a study suggests. Dean Falk and colleagues analyzed CT images of the remains of an Australopithecus africanus individual that lived an estimated 2.5 million years ago.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Showing releases 1-25 out of 459 releases.
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