This week鈥檚 new questions
Is it better to sniff or blow one鈥檚 nose to clear non-infectious secretions? And why do some people struggle to tell left from right?
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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?
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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?
Winds can blow in any direction, creating waves on the sea surace, so why do the waves at a beach all travel towards the shore?
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This week鈥檚 new questions
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How do we measure sea level if it is always rising?
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Why do duvet covers swallow other laundry? (continued)
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This week鈥檚 new questions
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