On the periodic table of the elements, iron and magnesium are far apart. But new evidence suggests that 3 billion years ago, iron did the chemical work now done by magnesium in helping RNA fold and function properly.
Biochemistry
May 31, 2012
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What do you get when you combine a slingshot, a fish tank, a stack of 2-by-4s and five engineering students determined to help the United States Air Force?
Engineering
May 31, 2012
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Microsoft on Thursday released the final test version of its next-generation Windows software crafted to power devices ranging from tablets to desktop computers.
Software
May 31, 2012
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(Phys.org) -- On May 17, 2012 an M-class flare exploded from the sun. The eruption also shot out a burst of solar particles traveling at nearly the speed of light that reached Earth about 20 minutes after the light from the ...
Space Exploration
May 31, 2012
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(Phys.org) -- NASA astronomers announced Thursday they can now predict with certainty the next major cosmic event to affect our galaxy, sun, and solar system: the titanic collision of our Milky Way galaxy with the neighboring ...
Astronomy
May 31, 2012
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(Phys.org) -- An international team of astronomers using data from the European Space Agency's (ESA) XMM-Newton satellite has identified a long-sought X-ray "echo" that promises a new way to probe supersized black holes in ...
Astronomy
May 31, 2012
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(Phys.org) -- Recent findings from NASA's Cassini mission reveal that Saturn's geyser moon Enceladus provides a special laboratory for watching unusual behavior of plasma, or hot ionized gas. In these recent findings, some ...
Space Exploration
May 31, 2012
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Howard Hughes Medical Institute scientists have determined the three-dimensional structure of two proteins that help keep the body's clocks in sync. The proteins, CLOCK and BMAL1, bind to each other to regulate the activity ...
Cell & Microbiology
May 31, 2012
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The search for alternatives to fossil fuels has prompted growing interest in the use of wood, harvested directly from forests, as a carbon-neutral energy source.
Environment
May 31, 2012
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Pattern formation in physical, biological, and sociological systems has been studied for many years. Despite the fact that these subject areas are completely diverse, the mathematics that describes underlying patterns in ...
Mathematics
May 31, 2012
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