In Spain recently, in temperatures around 34鈦癈, the聽ice cubes in my drink took far longer to melt compared with at home, where it is much colder. Why the difference?
Penny McDonald,
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Robin Hood鈥檚 Bay, North Yorkshire, UK
Wheely dirty Why are the front wheels of my car always much聽dirtier than the rear ones?
Rob Jones,
Shetland, UK
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