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Dr Chris Smith and the Naked Scientist team present the latest science news, analysis and breakthroughs.

This week, we look at the 9 Covid symptoms that now make up the official symptoms list. And how can sound travel at two different speeds on Mars? We’ll find out.

Plus, given that we’ve had the Oscars, and it’s BAFTA season, we’ll be looking at the science in films and handing out some awards of our own.

Please note – this podcast contains some plot spoilers from films released in the past year.