During World War I, scientists observed older soldiers' skin taking longer to heal, but didn't know why. Scientists may finally have an answer.
What are heat and cold receptors and how do they help regulate skin's temperature?
Daily moisturizers promising to rejuvenate dead and dull skin cells are overselling themselves.
Did you ever hear that blood is actually blue inside your body, but turns red instantly on contact with air? Learn more on this Moment of Science.
Compared to other organs, skin may seem kind of simple and boring. But it's actually pretty complex.
Though hooch makes you feel warmer, alcohol causes your body temperature to drop and can put you at risk of hypothermia.
Lips are made of very sensitive tissue and, because we use our mouths constantly, are over-exposed to harsh environmental factors.
Get tough on acne and fight bacteria with bacteria.
Chameleons are nature's mood ring; their color reflects how they're feeling.
Your schnoz may hold senior status in olfactory matters, but other parts of your body, like skin cells, can make scents of things on their own.