As CO2 levels in the Earth's atmosphere top 400 parts per million, options such as storing the greenhouse gas in porous sandstone rock formations found in abundance on the sea floor are of increasing interest. ...
May 14, 2013
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Scientists from ETH Zurich in Switzerland have shown for the first time that brown and white fat cells in a living organism can be converted from one cell type to the other. Their work, using mice as a model organism, provides ...
Apr 28, 2013
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(Phys.org)—A large multinational team of researchers, led by Markku Kulmala of Finland's University of Helsinki, has for the first time discovered the birth process of a class of aerosols. As they describe ...
Feb 22, 2013
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When it comes to forming the droplets that make up clouds, a little oily and viscous organic material apparently doesn't matter that much. And that's good news for reducing the uncertainty of climate model predictions.
Feb 18, 2013
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Plants grow upward from a tip of undifferentiated tissue called the shoot apical meristem. As the tip extends, stem cells at the center of the meristem divide and increase in numbers. But the cells on the periphery differentiate ...
Dec 03, 2012
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(Phys.org)—Biologists have teamed up with mechanical engineers from the The University of Texas at Dallas to conduct cell research that provides information that may one day be used to engineer organs.
Oct 18, 2012
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Atmospheric aerosol particles have a significant effect on climate. An international team of researchers has now discovered that a chemical process in the atmosphere called aging determines to a major extent ...
Oct 05, 2012
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Oxygenic photosynthetic organisms utilize energy from the sun to split water into protons, electrons and oxygen—products vital to life on earth. The process takes place through light-induced electron transfer ...
Sep 21, 2012
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Giant cells called "titan cells" protect the fungus Cryptococcus neoformans during infection, according to two University of Minnesota researchers. Kirsten Nielsen, Ph.D., an assistant professor in the department of microb ...
May 28, 2012
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(HealthDay) -- The U.S. Environmental Protection Agency on Wednesday issued the first national standards to curb air pollution linked with the controversial practice of "fracking."
Apr 19, 2012
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(Phys.org) -- Contrary to expectations, formation and growth of complex organic particles generated during oxidation of volatile organic molecules by ozone and nitrate follows a non-equilibrium path, according ...
Apr 09, 2012
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(PhysOrg.com) -- In the complex molecular mixer that is the atmosphere, some molecules dance with others and some are wallflowers, according to scientists at Pacific Northwest National Laboratory. Using a ...
Dec 20, 2011
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Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Nov 23, 2011
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(PhysOrg.com) -- Microfossils found in Australia show that more than 3.4 billion years ago, bacteria thrived on an Earth that had no oxygen, a finding that boosts hopes life has existed on Mars, a study published ...
Aug 21, 2011
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A short-term treatment with three immune-dampening drugs allowed human embryonic stem cells to survive and thrive in mice, according to researchers at the Stanford University School of Medicine. Without such treatment, the ...
Mar 03, 2011
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