A cell is composed of a nucleus which encloses its genetic information and the cytoplasm which is itself confined by an external membrane separating the cell from the outside world. The impermeability of the membrane and ...
Cell & Microbiology
Oct 26, 2012
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European scientists investigated differences in the genomes of various distantly-related yeast and their effects on cell survival. Results may provide insight into cell death induced by free radicals.
Cell & Microbiology
Oct 19, 2012
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(Phys.org)—New hardware lets engineers maintain the plasma used in fusion reactors in an energy-efficient, stable manner, making the system potentially attractive for use in fusion power plants.
General Physics
Oct 11, 2012
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University of Texas at Austin physicists have been awarded a U.S. patent for an invention that could someday be used to turn nuclear waste into fuel, thus removing the most dangerous forms of waste from the fuel cycle.
Energy & Green Tech
Sep 13, 2012
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Power from nuclear fusion reactors has the promise to be safe, sustainable and limitless. But science has not been able to bring fusion energy to the commercial energy market. This is partly because the operating limits of ...
Energy & Green Tech
Sep 11, 2012
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Imagine a world without man-made climate change, energy crunches or reliance on foreign oil. It may sound like a dream world, but University of Tennessee, Knoxville, engineers have made a giant step toward making this scenario ...
General Physics
Jun 8, 2012
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Researchers from the University of Bonn have just shown how a single atom can be split into its two halves, pulled apart and put back together again. While the word "atom" literally means "indivisible," the laws of quantum ...
General Physics
Jun 5, 2012
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(Phys.org) -- The International Union of Pure and Applied Chemistry (IUPAC) today officially approved new names for elements 114 and 116, the latest heavy elements to be added to the periodic table.
Materials Science
May 31, 2012
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American researchers have shown that prospective magnetic fusion power systems would pose a much lower risk of being used for the production of weapon-usable materials than nuclear fission reactors and their associated fuel ...
General Physics
Mar 29, 2012
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While modern-day humans use the most advanced engineering to build nuclear reactors, Nature sometimes makes them by accident.
Space Exploration
Dec 5, 2011
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