Chimpanzees unite against a common enemy

In the face of threats from other groups, humans become more cohesive and cooperative with their own, an association that Charles Darwin suggested could be an evolved capacity. Now a research group at Kyoto University has ...

A new quantum switch for electronics

A Russian physicist and his international colleagues studied a quantum point contact (QCP) between two conductors with external oscillating fields applied to the contact. They found that, for some types of contacts, an increase ...

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