Why do humans have two nostrils? Find out on this Moment of Science.
When we imagine a rose, why do we sniff out loud to smell it?
Today, on A Moment of Science, why lips go dry. Let’s start by reviewing the ways in which the surface of our lips is different from the surface of the skin on the rest of our bodies. Basically, our lips are made of the same mucus membrane that coats the inside of our mouths. This […]