This week鈥檚 new questions
If you eat three meals a day, does it make a difference if they are taken within, say, an 8-hour window or a 14-hour one?
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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?
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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?
In the Arctic there is no sun in winter and weak sun the rest of the year. So how did the people living there in the distant past get enough vitamin D - the "sunshine" vitamin?
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This week’s questions
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Are tandems really more efficient than regular bikes? (continued)
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Deep-sea hydrothermal vents team with life. How are they colonised?
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Why do waves always appear to roll towards a beach, not the other way?
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