Mind
Yawning has an unexpected influence on the fluid inside your brain
Yawning and deep breathing each have different effects on the movement of fluids in the brain, and each of us may have a distinct yawning "signature"
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Yawning and deep breathing each have different effects on the movement of fluids in the brain, and each of us may have a distinct yawning "signature"
Better MRI scanners could result from a trick in which a magnetic field springs up from nowhere, using materials famous for their link to invisibility cloaks