Someday we’ll understand things we thought we already knew. For example, the primary purpose of yawning is to control brain temperature. Exhaustion increases deep brain temperature and a yawn cools it down.
big on love, tolerance, and the human potential
Someday we’ll understand things we thought we already knew. For example, the primary purpose of yawning is to control brain temperature. Exhaustion increases deep brain temperature and a yawn cools it down.