If the speed of light changed, how would it affect our lives?
If the speed of light changed, how would it affect our lives?
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This week鈥檚 new questions
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Why are bird droppings mostly white, considering the things birds eat?
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Do all planets spin? If so, why?
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This week鈥檚 new questions
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Why is this strange rainbow at the wrong height?
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Do plants, fungi or microorganisms get cancer?
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Why do two musical notes an octave apart sound the 鈥榮ame鈥�? (part 3)
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This week鈥檚 new questions
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What would happen to our planet if the sun suddenly disappeared?
Our readers explore what might happen to Earth if the sun vanished, from dramatic shifts in gravity to the complete loss of light for photosynthesis
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Is there an advantage to insects of their bites making us itch?
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What are the origins of the yoghurt-making bacteria in milk?
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This week鈥檚 new questions
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How fast should I cycle to avoid punctures?
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