This week鈥檚 new questions
Do we continually perceive the colours around us differently to others? And has the doubling of the human population in the past 50 years increased the mass of our planet and everything on it?
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Why do cabbages exist when their shape prevents photosynthesis?
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Why does light reflect in a mirror but go straight through glass?
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This week鈥檚 new questions
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What makes some people short-sighted and others long-sighted?
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Are lids getting harder to open? (continued)
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To brew the best coffee, must you start with cold water?
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This week鈥檚 new questions
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Why does milk spill over when it boils?
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Why don’t we make disease cures that are themselves infectious?
If cures were contagious, this would be a great way to stop pandemics. So why haven't we developed any?
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What would it look like if dark matter fell into a black hole?
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This week鈥檚 new questions
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How did people in the Arctic get vitamin D with little or no sunlight?
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This week’s questions
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