This week鈥檚 new questions
Why does it seem like I need to be more punctual for an appointment set for 11.17 am rather than 11.15 or 11.20? And do magnets have any effects on human cells?
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Why do dogs enjoy rolling in smelly fox or bird faeces?
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My hair has a kink. How do the hairs know exactly where to bend?
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What is the smallest number with no interesting properties? (cont’d)
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This week鈥檚 new questions
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Why are there seven colours in a rainbow?
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Why do snails sometimes leave dotted trails?
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This week鈥檚 new questions
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What would Earth be like if life had never existed?
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How does water become stale?
What becoming stale seems to depend on who is drinking it and perhaps even on its electrical conductivity
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If sitting cross-legged is unhealthy, why is it so comfortable? Part 2
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This week鈥檚 new questions
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How does a photon know to travel at the speed of light?
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Why do humans show their teeth to signal friendship or mirth?
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