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EDITORIAL

Why don't banana popsicles taste like actual bananas? The answer may surprise you—and it's far more complicated than some people imagine.

EDITORIAL

Why do cats purr? For some, a cat purr is a low hum, while for others, it's a loud engine, with a body-shaking vibration to match. But why do cats purr?

EDITORIAL

What causes hiccups? Hiccups have been around forever, but we still don’t exactly know what causes them. But modern science has revealed a few answers.

EDITORIAL

Why do we dream? For centuries, dreams have puzzled our greatest minds. But today, modern scientific research is finally unraveling the mysteries of why we dream.

EDITORIAL

Why do we yawn? Yawning happens to the best of us: you're trying desperately to keep alert. Suddenly, the unmistakable urge to yawn overtakes you. But why?

EDITORIAL

Why is the sky blue? Every child has looked up and asked the question. And like so many great questions asked by children, the answer is far from simple.



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