This week’s new questions
15 September 2021
How do astronomers decide where a galaxy begins and ends? And why do onions and radishes continue to grow in the darkness of my refrigerator?
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Premium
What is the smallest number with no interesting properties? (cont'd)
15 September 2021
As more readers ponder this question, It turns out that the numbers 51 and 247 aren’t so boring after all
My hair has a kink. How do the hairs know exactly where to bend?
15 September 2021
Readers debate whether hair curls are down to genetics, the shape of folicles or the way we sleep or brush
Why do dogs enjoy rolling in smelly fox or bird faeces?
15 September 2021
Readers suggest that it is a form of olfactory disguise - much to the chagrin of dog owners
