/r/askscience
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If matter and anti-matter perfectly annihilate, and they are always created in tandem-- Why does matter exist?
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Could a person survive a fall from the sky at terminal velocity if they assumed the 'dive' position and landed in water?
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Marie Curie died only after 38 years of nearly-continuous exposure to high levels of radiation. Is this a huge anomaly, or are the dangers of radiation somewhat exaggerated?
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Giraffes only sleep a cumulative 30 minutes per day. They take brief, minute-long naps throughout the day, all while standing up. How are they able to function without large amounts of rest?
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