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After a number of incidents around the world so far this year that have left dozens of flyers needing hospital treatment, we look at how a rise in air turbulence because of global warming is leading to more and more injuries to passengers.

Professor Paul Williams from the University of Reading in the UK tells us why turbulence is so hard to plan for, how new technology might be able to help solve the problem, and how despite an increase in incidents it’s still incredibly rare to experience extreme turbulence./

Claudia Hammond is also joined by Monica Lakhanpaul, Professor of Integrated Community Child Health at University College London, to look at how a shortage of HPV vaccines is leading to millions of girls across Africa missing out on receiving the shots.

Monica also tells us about her new research on the barriers children with epilepsy are facing being able to exercise.

We also explore what it’s like for people that don’t have an inner monologue and can’t imagine sounds – a phenomenon known as anauralia.

Presenter: Claudia Hammond
Producer: Dan Welsh