Because pregnancy increases the amount of blood flowing through the body, including to the skin, many pregnant women do get a rosy glow, but that's not all.
One of the loveliest sights an ornithologist runs across is the iridescent blue found in some birds’ plumage. Sure, cardinals have red feathers and finches have yellow feathers, but if you ever run across the gleaming, almost metallic-looking blue of an indigo bunting, you won’t forget it. The colors shimmer and shine like oil on water. Learn more on this Moment of Science.
Did you know that snow in some parts of the world can appear colorful? Learn more on this Moment of Science: Rainbow Snow.
Can you recognize a plant cell? Learn about distinguishing a plant cell from an animal cell, on this Moment of Science.
Lack of pigment also makes eyes extremely sensitive to bright light. The pigment that determines whether your eyes are blue, brown, green, or gray normally helps to filter out stray light.
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 […]
Ever wonder if you can actually turn blue while holding your breath? Find out on this Moment of Science.