What are heat and cold receptors and how do they help regulate skin's temperature?
Learn some fun and interesting facts about the human body on this Moment of Science.
Many a bet has been lost on the question: Can you get a sunburn through a window?
Ever wonder if you can actually turn blue while holding your breath? Find out on this Moment of Science.
So what is actually happening when a moisturizer is rejuvenating your skin? First, moisturizers help your skin stay hydrated by either forming a barrier that prevents the water in your skin from evaporating, or by pulling water from the skin’s inner layers out to the skin’s surface.
Studies have shown that ethanol–which is a kind of alcohol–causes skin cells to put out the same neurochemical signals they put out when heat is around. The result is that it doesn’t take as much actual heat for the VR1′s to turn on.
The difference in pain is due to the way each insect obtains blood. Mosquitoes have mouth parts that are highly modified for piercing; they have a sharp proboscis, a prominent tube-like part that extends from their head and houses organs known as stylets which work like hypodermic needles to penetrate the skin and suck up your blood.