Olga Miltsova/Alamy
In Spain recently, in temperatures around 34⁰C, the ice cubes in my drink took far longer to melt compared with at home, where it is much colder. Why the difference?
Penny McDonald,
Robin Hood’s Bay, North Yorkshire, UK
RossHelen editorial/Alamy
Wheely dirty Why are the front wheels of my car always much dirtier than the rear ones?
Rob Jones,
Shetland, UK
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