When a rapidly-growing cell divides into two smaller cells, what triggers the split? Is it the size the growing cell eventually reaches? Or is the real trigger the time period over which the cell keeps growing ever larger?
Cell & Microbiology
Dec 24, 2014
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Researchers at Johns Hopkins have discovered what keeps an enzyme from becoming overzealous in its clipping of DNA. Since controlled clipping is required for the production of specialized immune system proteins, an understanding ...
Cell & Microbiology
Dec 24, 2014
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Scientists at the University of Cambridge working with the Weizmann Institute have created primordial germ cells - cells that will go on to become egg and sperm - using human embryonic stem cells. Although this had already ...
Cell & Microbiology
Dec 24, 2014
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The holidays are an energy-intensive time of year. Whether you hang just a few lights or illuminate the entire neighborhood with a winter wonderland display, chances are your carbon footprint will be just a little higher ...
Energy & Green Tech
Dec 24, 2014
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The human brain continually monitors and influences all bodily movements, helping the body adapt to different circumstances in order to maintain fine motor control. The part of the brain responsible for fine motor control, ...
Robotics
Dec 24, 2014
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U.S. Department of Energy's Ames Laboratory and Critical Materials Institute materials chemist Anja Mudring is harnessing the promising qualities of ionic liquids, salts in a liquid state, to optimize processes for critical ...
Materials Science
Dec 24, 2014
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In the world of underwater robotics, fish-like structures are able to accelerate and maneuver better than most other artificial underwater vehicles. For these reasons, fish-like robots are well suited for submarine exploration ...
Robotics
Dec 24, 2014
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How can we ensure safe, fast and efficient refuelling of hydrogen-powered cars, all at the same time? This brain teaser, key to the successful deployment of hydrogen technology in our future green economies, is being mulled ...
Energy & Green Tech
Dec 24, 2014
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Magnetic vortices in thin films can encode information in the perpendicular magnetization pointing up or down relative to the vortex core. These binary states could be useful for non-volatile data storage devices such as ...
General Physics
Dec 24, 2014
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(Phys.org)—A small team of researchers with members from the U.K. and Germany has found an example of a mammal that practices frequent incest. In their paper published in the journal Biology Letters, the team describes ...
