For 150 years scientists have been trying to explain convergent evolution. One of the best-known examples of this is how poisonous butterflies from different species evolve to mimic each other's color patterns – in effect ...
Evolution
Jul 21, 2011
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Scientists have identified a family of proteins that close a critical gap in an enzyme that is essential to all life, allowing the enzyme to maintain its grip on DNA and start the activation of genes.
Cell & Microbiology
Jul 21, 2011
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Modified metals that change colour in the presence of particular gases could warn consumers if packaged food has been exposed to air or if there's a carbon monoxide leak at home. This finding could potentially influence the ...
Materials Science
Jul 21, 2011
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Earth's aurorae, or Northern and Southern Lights, provide a dazzling light show to people living in the polar regions. Shimmering curtains of green and red undulate across the sky like a living thing. New research shows that ...
Astronomy
Jul 21, 2011
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(PhysOrg.com) -- Designers from the Copenhagen Institute of Interaction Design and engineers from Toyota have been working together and have come up with a unique and innovative concept they call the "Window to the Word" ...
(PhysOrg.com) -- A new report published in the journal Nature describes the new machine created by Jonathan Rothberg of Ion Torrent Systems which uses semiconductors to decode DNA and takes them one step closer to being able ...
The New York Times Company said Thursday it lost $120 million in the second quarter, as income from digital subscriptions failed to make up for a steep write-down of its print newspaper assets.
Business
Jul 21, 2011
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Moscow on Thursday declared it was now "the era of the Soyuz" after the US shuttle's last flight left the Russian system as the sole means for delivering astronauts to the International Space Station.
Space Exploration
Jul 21, 2011
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Cigars were passed around, flowers brightened desktops and pictures were snapped from all angles as NASA employees hugged, laughed and cried after the shuttle Atlantis landed one final time.
Space Exploration
Jul 21, 2011
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(AP) -- The debate over teaching evolution in public schools is resurfacing at the Texas State Board of Education.
Social Sciences
Jul 21, 2011
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