A Moment of Science
They say that no two fingerprints are alike, but your relatives’ fingerprints might look similar to your own. While the intricate details of an individual fingerprint are unique, pattern types and the overall size, shape, and spacing of the ridges in a pattern are all inherited traits. Learn more on this Moment of Science.
Some people seem to need significantly less sleep than others. The amount of sleep one needs seems to be genetically inherited. Learn more on this Moment of Science.
Though it’s true that identical twins have the same DNA, that doesn’t mean that there’s no way to tell them apart. Learn more on this Moment of Science.
Scientists have been experimenting with ways to tackle problems like the muscle loss that occurs with aging. Learn more on this Moment of Science.
After digestion, glucose travels throughout the body in the blood stream. It enters all of our cells with the help of a hormone called insulin: insulin picks up the glucose and carries it into each cell, like a groom carrying a bride over the threshold.
You’ve probably seen them on “60 Minutes”: 800-pound giants so trapped in fat that they can barely walk. While people that big are a rarity, many Americans do suffer from obesity.
Changes in sunlight cause the cat’s brain to signal its hair follicles to respond appropriately. When there’s less sunlight, cats start growing short, fluffy secondary hairs whose job is to provide insulation. And when there’s more sunlight, cats start shedding.
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