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A comment on Brain size drives differences in yawn duration across mammals and birds. Parent comment

Re:Brain size drives differences in yawn duration across mam... by ElvisTrout on Sunday May 16, 2021 @04:18AM (#27172099)
Yes, that’s it’s purpose. Hence why the results of this study is not really surprising.
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Re:Brain size drives differences in yawn duration across mam... by cinntaile on Sunday May 16, 2021 @07:17AM (#27172866)
We don't know if that's the purpose of yawning.
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