Using a new imaging technique, National Institutes of Health researchers have found that the biological machinery that builds DNA can insert molecules into the DNA strand that are damaged as a result of environmental exposures. ...
Cell & Microbiology
Nov 25, 2014
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Unequal sharing of workloads in societies could leave the most industrious individuals at higher risk of poor health and prone to accelerated ageing, according to a new study of a cooperative bird in the Kalahari Desert.
Plants & Animals
Sep 3, 2014
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Birds in the exclusion zone around Chernobyl are adapting to – and may even be benefiting from – long-term exposure to radiation, ecologists have found. The study, published in the British Ecological Society's journal ...
Ecology
Apr 28, 2014
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(Phys.org) —Researchers at the National Institute of Standards and Technology (NIST) have developed a new method for accurately measuring a key process governing a wide variety of cellular functions that may become the ...
Biochemistry
Feb 12, 2014
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(Phys.org) —Humans living in densely populated urban areas have a profound impact not only on their physical environment, but also on the health and fitness of native wildlife. For the first time, scientists have found ...
Ecology
Feb 5, 2014
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Oxidative stress is believed to cause a number of diseases. Up to now, it has been common practice to measure oxidative stress levels by determining the oxidation state of a small molecule called glutathione in cell extracts. ...
Biochemistry
Dec 17, 2012
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Both radiation and many forms of chemotherapy try to kill tumors by causing oxidative stress in cancer cells. New research from USC on a protein that protects cancer and other cells from these stresses could one day help ...
Biochemistry
Apr 6, 2012
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(PhysOrg.com) -- Scientists from IBM's T. J. Watson Research Center and Columbia University, working with the X-Ray Microscopy Group, have mapped rotation and strain fields across a silicon-on-insulator (SOI) structure that ...
General Physics
May 13, 2011
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Researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech and Montana State University have discovered a fungal protein that plays a key role in causing disease in plants and animals and which also shields ...
Cell & Microbiology
Nov 6, 2009
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In July and August 2021, smoke from wildfires in northwestern Ontario and Manitoba affected air quality in Montreal, according to a study led by Patrick Hayes, a professor in the Department of Chemistry at Université de ...
Earth Sciences
Jul 24, 2024
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