What鈥檚 the best way to store movies and images for the next 100 years?
From paper and vellum to the blockchain and a cave on Pluto, our readers suggest all sorts of ways to store images and movies for posterity
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As waves break and dissipate their power, does this warm the water?
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This week鈥檚 new questions
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Birds die around us all the time, so why do I never see a dead one?
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Is it a coincidence that there are two dippers in the sky? (Part 2)
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Could we run out of musical note combinations? (Part 2)
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This week鈥檚 new questions
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Why can鈥檛 I judge the temperature of bathwater with my left hand?
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The universe is expanding, but what exactly is it expanding into?
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This week鈥檚 new questions
On a cold night, why does our body require warm covering but not our face? And why are there no birds that hibernate?
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Do house spiders released outside survive, or navigate back?
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If my brain atoms were replaced with identical ones, am I still me?
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Do magnets have any effects on human cells? (part 2)
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This week鈥檚 new questions
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