[thedoc (OP)]

When I yawn, for a brief moment, I can hear nothing of the outside world. Its feels like my ears were stuffed with some best earplugs. Do you have this feelings too? If yes, could you enlighten me what is going on here? Thanks.
Asked by Andrew

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[chapter podcast=1001251 track=16.01.12/Naked_Scientists_Show_16.01.12_1004661.mp3]  ...or Listen to the Answer[/chapter] or [download as MP3]