A Moment of Science
How does hair development start, what is a hair follicle, and why does hair turn gray?
Know anyone with two different colored eyes? The condition is called heterochromia. Learn more on this Moment of Science.
Parents of East Asian, East African, and Native American descent are not surprised when their babies are born with a blueish-color birthmark on their backside.
Why do some creatures have spots and stripes, while others don't?
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