Improbable research: The highs and lows of the musical eyebrow

Research by Danish and American researchers shows that eyebrows go higher when singers sing high notes than they do when they sing low notesWhen singers sing high notes, their eyebrows go higher than when they sing low notes. While that may not be an absolute physiological rule, a team of Danish and American researchers discovered that it happens pretty consistently. They lay out the evidence, and explain what it may mean, in a study called Facial Expression and Vocal Pitch Height: Evidence of a...

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