Debunking Yawn Myths
3:03–4:26 · 83s
Norman dismisses the oxygen/CO2 theory of yawning and lays out the leading "brain cooling" hypothesis, noting animal studies and links between brain size and yawn length.
3:03–4:26 · 83s
Norman dismisses the oxygen/CO2 theory of yawning and lays out the leading "brain cooling" hypothesis, noting animal studies and links between brain size and yawn length.
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