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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Humans
The site that lets you run the Ever Given aground anywhere you fancy
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Life
The oceans are changing – here鈥檚 how to help researchers monitor them
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Humans
A house on the moon would apparently cost 拢44,525,536.42
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Earth
Amazing image of farmer fighting locusts among photo award shortlist
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Tom Gauld on when a supercomputer is hogging all the power
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Twisteddoodles shares 3 fun rabbit facts
This week's cartoon from Twisteddoodles
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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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Tom Gauld tells a quantum physics joke (and simultaneously doesn’t)
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