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This week, the RRS Sir David Attenborough arrived in Antarctica to start its first full season of science in the polar region. Dr Nadine Johnston reveals more about the mission and the research they鈥檒l be carrying out.

Next up, medical geneticist Professor Shahida Moosa and her student Jessica Jane Cormick are working to help diagnose and treat rare diseases. They explain why better genetic databases for Africans are urgently needed.

We also hear from Simon Evans of the Carbon Brief, who has just completed an analysis that found the responsibility for climate change dramatically shifts once historical rule and colonialism are taken into account.

Finally, a new study has revealed that emissions from coal-fired power plants have led to the deaths of nearly half a million Americans in the last 20 years. Professor Cory Zigler, from the University of Texas at Austin, tells us more.

Presenter: Roland Pease
Producer: Alice Lipscombe-Southwell
Editor: Martin Smith
Production Co-ordinator: Jana Bennett-Holesworth
Sounds provided by: Nadine Johnston and Katherine Turner from BAS and the University of Southampton

(Image: A general view of the RRS David Attenborough vessel on October 28, 2021 in Greenwich, England. Credit: Photo by Leon Neal/Getty Images)