What would happen if the speed of light were half its value? part 2
A universe with half-speed light might never produce Â鶹´«Ã½ readers capable of posing this question, notes one reader
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This week’s new questions
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Comment
The bigger the lizard, the bigger the Wiki page, discovers ecologist
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Life
Dramatic photo of ibis being guided to their winter homes wins award
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This week’s new questions
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Tom Gauld’s pie chart of what the Mars rover can see
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Why don’t carnivorous plants just use photosynthesis? part 2
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Twisteddoodles on an endangered species breeding programme
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Environment
Striking photos show how sands are encroaching on oases in the Sahara
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Comment
Think you have a good sense of humour? So do most people…
Feedback is alarmed by a study that explored how funny people think they are, and discovered certain traits in those who rate themselves the most humorous
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When the sun engulfs Earth, will the remnants become new planets?
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Tom Gauld on the worst place to sit
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Mathematics
Explore the mind-bending and paradoxical art of M C. Escher
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Twisteddoodles: ‘We’re the department of climate science…’
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