How does hair development start, what is a hair follicle, and why does hair turn gray?
Ever wonder why it takes so long for a scratch on the elbow to heal? After all, it takes just minutes for a scratch on the eyeball to heal.
We've all probably taken a bath, or been in the pool, then noticed parts of the palms of our hands and our feet become wrinkled. Why does this happen?
Have you ever gotten a callus and wondered what is was?
If our body temperature is in the nineties why do similar air temperatures feel too hot instead of just right? Learn more on this Moment of Science.
If blood is either red or blueish, depending on the presence of oxygen, why are bruises sometimes black, green, brown, or even yellow?
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.
Readers of detective fiction knows one thing fingerprints are good for, their unique patterns. Why have we evolved such convoluted fingertips and why so useful?
According a study, three-day old extracts from broccoli might protect the skin against damage caused by being in the sun too much. Tune in to learn more.
What does it mean to be "thick skinned"? Why is some skin thicker than other skin?