Thermal Exhaust

We have all experienced the undeniable, contagious urge to yawn. For centuries, medical science dismissed this reflex as a simple sign of boredom or a biological desperate gasp to pull more oxygen into the blood. But the true physiological trigger behind this mundane action is far more complex and essential to our survival. Yawning is not a symptom of low oxygen; it is the body's built-in radiat...