This week鈥檚 new questions
Do we continually perceive the colours around us differently to others? And has the doubling of the human population in the past 50 years increased the mass of our planet and everything on it?
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Why the end of the world will come preprogrammed in a spreadsheet
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Technology
CERN muon detector gets major upgrade for better particle hunting
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Covid-19 news archive: Pfizer vaccine is 95 per cent effective
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Twisteddoodles on the way scientists see a half-filled glass
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Tom Gauld’s grandfather paradox and mother reaction
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Space
Mars is unusually close this month 鈥� here’s how to spot it in the sky
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Why do cabbages exist when their shape prevents photosynthesis?
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Why does light reflect in a mirror but go straight through glass?
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This week鈥檚 new questions
If you eat three meals a day, does it make a difference if they are taken within, say, an 8-hour window or a 14-hour one?
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A steamy romance novel about the coronavirus is going viral
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Environment
Tragic image of an orphan macaque wins wildlife photography award
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Tom Gauld on why getting a project fast-tracked isn’t always good
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Twisteddoodles: What’s the difference between a genie and a scientist?
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