If sitting cross-legged is bad for us, why is it so comfortable?
Bad? It’s the default sitting position for many people and can help the spine, say readers
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Is there any harm in drinking too much tea? Part 2
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This week’s new questions
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Environment
How we can all help grow trees in towns and cities
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How big is the moon when seen through your legs?
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Tom Gauld: ‘Do you have something you want to tell me, Brian?’
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Twisteddoodles on the life cycle of a frog
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Why do we experience music that is out of tune as unpleasant?
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Is toothpaste essential? Aside from fluoride, what is its value?
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Would taller people benefit from bicycles with larger wheels? (part 2)
What about children’s’ bikes and mobility scooters that have smaller wheels, asks one reader who has investigated the safety implications of wheels with a small diameter.
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This week’s new questions
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Space
How to spot the Milky Way in the night sky
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The unexpected ability that correlates with intelligence
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Tom Gauld: ‘How are you getting on with de-liquefication?’
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