When I can鈥檛 remember something, how do I know that I once knew it?
Sometimes you know that a memory is in your head, even if you can鈥檛 recall it. How does this 鈥渕eta memory鈥� work? Readers respond
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Do I create gravitational waves when I crash onto the sofa?
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Why do some people like gambling so much? (continued)
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This week鈥檚 new questions
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Why do we hear two musical notes, an octave apart, as the ‘same’ note?
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Is there any harm in drinking too much tea?
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This week鈥檚 new questions
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Should we genetically engineer cats to stop their urge to kill?
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If there are other universes, would our universe feel their gravity?
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Why do wet dogs like to shake themselves dry beside people? (continued)
Why do dogs like to shake themselves dry besides a person rather than doing this as soon as they get out of the water? (continued)
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This week鈥檚 new questions
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How far can you go before the sun no longer appears the shiniest star?
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Why do people鈥檚 hands shake when they are nervous?
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In fizzy drinks, why do only larger bubbles oscillate as they rise?
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