Science Seen | Drug Potential
Courtesy of David Scharf
By Dan Cossins
Scientists find the molecule that delivers itchiness signals to the brain via a dedicated, and previously unknown, neural pathway.
By Jef Akst
The International Institute for Species Exploration at Arizona State University reveals its list of the top 10 new species of 2012.
By Kate Yandell
The virus is able to transmit between the small mammals, but does not appear to spread readily through human-to-human contact.
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