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You don’t have to rush to finish this quiz. There are plenty of questions about speed, but you can take as long as you like. So relax, get your thinking cap on and see if you can get 5/5!

Have you ever wondered how fast your fidget spinner spins? If you want to find out, you’ll have to do some maths! Safety: Be careful spinning your fidget spinner near the glass of your scanner or photocopier. Don’t hit the glass, as it can break.

Welcome to Double Helix magazine’s Q&A section – Microscope. We take a close look at small questions full of big ideas. Q: I would like to know how a Higgs boson gives other particles their mass?