Signaling 'stressed-out' plants

A plant scientist from the University of Missouri has discovered a new way of measuring stress in plants, which comes at a time when plants are experiencing multiple stressors from heat, drought and flooding because of extreme ...

Cooperation among strangers has increased since the 1950s

Despite common concerns that the social fabric is fraying, cooperation among strangers has gradually increased in the U.S. since the 1950s, according to research published by the American Psychological Association.

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