Is it better to sniff or blow your nose?
Our readers discuss whether sniffing or blowing your nose is better for you and which is more polite
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Why does light reflect in a mirror but go straight through glass? (continued)
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This week鈥檚 new questions
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Why flange and quingle are such funny words according to science
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Environment
Surreal Californian oilscape wins climate change photography award
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Why do we groan or say 鈥榦hoo鈥� when we sit down or stand up?
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If plants communicate via their roots, do they get lonely in pots?
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We often see dead foxes on our farm and they just decompose in situ. So, does anything eat foxes? (continued)
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Tom Gauld’s on why 10001 days is not as long as it seems
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Twisteddoodles on when there’s the wrong type of doctor in the room
This week's cartoon from Twisteddoodles
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Environment
How to grow delicious blackcurrants despite climate change
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This week鈥檚 new questions
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Watch out cybercriminals! UK military ditches punch-card secret codes
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Tom Gauld’s attempts to create a sarcastic AI are really genius
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