Environment
It’s time to tuck your plants into a compost bed for winter
Like your gut bacteria, the microorganisms in your soil need nurturing, so give them a helping of organic matter, says Clare Wilson
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When is the right time to panic?
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Does simmering versus boiling make a difference when cooking?
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Could we run out of musical note combinations? (continued)
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This week’s new questions
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Tom Gauld makes a deal with the devil, with a soupy twist
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Twisteddoodles: The new incomprehensibility of computer-based jobs
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Humans
Magnificent photos from the sharp end of historical adventure
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Space
Now is the perfect time to see dwarf planet Ceres for yourself
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Can bullets fired upwards cause injuries when they return to earth?
It’s common in many countries for people to fire guns upwards in celebration, but rarely do they return to hit the person who fired them, say our readers. Instead they can cause problems for others
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How complex does an organism have to be to exhibit free will?
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What is the smallest whole number with no interesting properties?
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This week’s new questions
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Humans
The visionary university solving problems that don’t exist yet
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