Ever notice how you automatically yawn when someone else does it? That involuntary mouth-stretching moment isn’t just your brain being lazy. It’s actually broadcasting something pretty revealing about ...

Yawning seems like such a simple act, yet it holds surprising power over us. Just watching someone yawn — even a stranger — can suddenly trigger the irresistible urge to yawn yourself. Why does this ...

Science. Euphoria among dentists: anti-caries substance capable of repairing teeth created and product could be on the market next year Science. Forget everything we thought we knew about the end of ...