Using a technique known as 3-D printing, regular people can now make goods typically produced in huge quantities in factories overseas. (p. 20)
Similarities between tumors in people and dogs mean canine studies can inform human disease. (p. 26)
A newly constructed family tree dovetails with the fossil record, but differs considerably from previous genetic studies by suggesting that placental mammals emerged after the dinosaur extinction. (p. 5)
Genetics study finds parallels in birdsong and language. (p. 8)
Two-photon microscopy visualizes hair cells in the inner ear, offering insights into processes leading to deafness. (p. 8)
New data question whether human blood measurements of BPA reflect sample contamination or just exaggerated exposures. (p. 9)
Highlights from the annual meeting of the American Association for the Advancement of Science, Boston, February 14-18, 2013. (p. 9)
Nostrils of the common mole recognize slight differences in smells to steer it toward its food. (p. 10)
Viruses that can jump from animals to people may find the flying mammals a fine place to lurk. (p. 10)
Lake buried under 800 meters of ice hosts cells, researchers find. (p. 12)
The skeleton of Richard III reveals a violent and chaotic end for a controversial English monarch. (p. 14)
In archival images, astronomers see giant star’s activity in weeks before supernova. (p. 16)
By measuring a neutron-rich atom on Earth, astronomers virtually dig into the crust of dead stars. (p. 16)
A mutation responsible for ruffs, crests and collars appears to have arisen once and then passed among species through breeding. (p. 18)
Review by Rachel Ehrenberg (p. 30)
Review by Sid Perkins (p. 30)
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(p. 4)
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(p. 31)
Best known for its role in crafting and commanding spacecraft such as Curiosity, JPL is also home to decades’ worth of accumulated oddities. (p. 32)
Issue for the week of March 9th, 2013
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