Frustrated with slow vaccine uptake and a sharp rise in COVID infections, some countries, such as Austria and Greece, have introduced vaccine mandates. And last week, the European Commission president, Ursula von der Leyen, called for other EU countries to consider doing the same.

Three ethicists make the case for the UK not to go down this road. “The risk of vaccine mandates to public confidence in government are substantial,” they argue, “but there are even more important moral issues.”

For the latest in our Curious Kids series, we look at what we’d need to build a space station on the Moon – and why a satellite that orbits the Moon would be more practical. Plus, we hear why checkout-free technology now in supermarkets won’t save the rest of the high street.

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Clint Witchalls

Health + Medicine Editor (UK edition)

REUTERS / Alamy Stock Photo

Why the UK shouldn’t introduce mandatory COVID vaccination

Julian Savulescu, University of Oxford; Dominic Wilkinson, University of Oxford; Jonathan Pugh, University of Oxford

Austria and Greece have introduced vaccine mandates, and Germany is considering it.

We have only sent people to the Moon six times so far. Design Projects/Shutterstock

Curious Kids: why can’t we put a space station on the Moon?

Ian Whittaker, Nottingham Trent University

A space station on the Moon could be built out of lunar concrete.

Choose and no queues. Alamy Stock Photo/xiu bao

Amazon and Tesco’s checkout-free stores are a niche idea that won’t save the high street

Kokho Jason Sit, University of Portsmouth

Sainsbury’s is also experimenting with the till-free technology.

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