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A Moment of Science

Posts tagged face muscles

May 25, 2016


The primary motor cortex and the basal ganglia order the muscles around the mouth into a forced smile. The amygdala and hypothalamus automatically contract muscles into a genuine beam.

Say Cheese

Fake smiles and real smiles are controlled by two different parts of the brain.

February 27, 2004


Sleep On, Sneeze Not

Do we sneeze during sleep? Find out on this Moment of Science.

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