91色情片

How does a scone develop a 鈥渨aist鈥� as it rises in the oven?

Geoff Rowlands,

Falmouth, Cornwall, UK

听

On the night side of Earth, the sun鈥檚 gravitational pull on me will be additive to that of Earth, whereas on the light side it will be subtractive. So, do I weigh more at night?

Andrew Doble,

Hamilton, Bermuda

To answer this question 鈥� or ask a new one 鈥� email lastword@newscientist.com.

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