Proceedings of the National Academy of Sciences

How do we punish norm violators?

An international team of researchers including Loukas Balafoutas (University of Innsbruck), Nikos Nikiforakis (NYU Abu Dhabi) and Bettina Rockenbach (University of Cologne) has conducted pioneering research on the question ...

Oct 29, 2014
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Scientists resurrect 700-year-old viruses

(Phys.org) —Eric Delwart of the Blood Systems Research Institute in San Francisco and colleagues have found two 700-year-old viral sequences in frozen caribou dung in an arctic ice patch. The researchers ...

Oct 28, 2014 report
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In Amazon wars, bands of brothers-in-law

When Yanomamö men in the Amazon raided villages and killed decades ago, they formed alliances with men in other villages rather than just with close kin like chimpanzees do. And the spoils of war came from ...

Oct 27, 2014
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Viral switches share a shape

A hinge in the RNA genome of the virus that causes hepatitis C works like a switch that can be flipped to prevent it from replicating in infected cells. Scientists have discovered that this shape is shared by several other ...

Oct 27, 2014
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