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Those with strong stomachs may have watched the videos making the rounds of people who have tonsil stones. What are tonsil stones you ask? They're smelly, little white globs of who knows what that get built up in the, well, pockets of tonsils. Those with weaker stomachs can skip the videos and head right for the info below. And those with maybe a little tendency toward hypochondria will be glad to know tonsil stones are probably no big deal, even if they're gross.

You can find the distance between two points by using the distance formula, an application of the Pythagorean theorem.

A koan is a riddle or puzzle that Zen Buddhists use during meditation to help them unravel greater truths. We look at some examples to see how these enigmatic sayings work.

You might think it's supercalifragilisticexpialidocious. But you're wrong. And anyway, that's a song, not a word.

Many people get speed and velocity confused. It's no surprise because the terms are often used interchangeably. But they're not quite the same thing. So how do you find the velocity of an object?