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The calculus teacher thought we were dumb, so now he's teaching us elementary math problems.

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Which sex position can help last longer? Doctors analyzed data from 1,900 people.

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Why can a single jar spew flames like an engine?

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Woodpeckers knock their heads against trees 20,000 times a day—so why don’t they get concussions?

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What is the principle behind submarines? What's the difference between nuclear and conventional subm

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Three people drink three buckets of water in three days; how much water do π people drink in e days?

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