Smiling in the masked world of COVID-19

With faces covered to help reduce the spread of COVID-19, some of the facial cues that people rely on to connect with others—such as a smile that shows support—are also obscured.

Worker wasps grow visual brains, queens stay in the dark

A queen in a paperwasp colony largely stays in the dark. The worker wasps, who fly outside to seek food and building materials, see much more of the world around them. A new study indicates that the brain regions involved ...

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