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Science commentator Allan Blackman joins Kathryn on International Women's Day to look at scientists who didn't receive recognition for their work because they were women - highlighting the case of astrophysicist Dame Jocelyn Bell Burnell.
He'll also talk about a recent decision in Scotland to stop its hospitals using the anaesthetic desflurane because of the threat it poses to the environment.
Allan Blackman is a Professor of Chemistry, School of Science, Auckland University of Technology
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