How does hair development start, what is a hair follicle, and why does hair turn gray?
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?
Every rose has it's "prickle"? Not quite the phrase we are used to hearing, but actually roses don't have thorns at all!
What does it mean to be "thick skinned"? Why is some skin thicker than other skin?
Have you ever seen a hairy plant? Plants may appear to have hair, but the technical term for plant hair is trichomes. These trichomes may resemble hair, but they’re not the same as what we mammals have. Learn more on this Moment of Science.