This week’s new questions
At any one time, how much of Earth is covered by cloud? Does this vary? Andrew Parsons, Welford, Northants, UK
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At any one time, how much of Earth is covered by cloud? Does this vary? Andrew Parsons, Welford, Northants, UK
What is the difference between magnetic and electric fields, and can you make decaf tea with ordinary tea bags? Send your thoughts and observations to Almost the Last Word, all contributions appreciated