Short sleepers cruise by on four to six hours a night and don’t seem to suffer ill effects. Turns out they’re genetically built to require less sleep than the rest of us ...

The science of health begins with moving the body. There’s no need to fixate on taking 10,000 steps a day (an idea that came ...

Perhaps no one of the powers of the human mind is more widely and uniformly ... single faculty of the mind than the power to be- j come scientific in the most general sense of the latter term ...

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Editor’s Note: Published in 1957, this article comes from Martin Gardner’s legendary Scientific American column Mathematical Games. Read more in our special digital issue, Fun and Games.