This week, a world first gene therapy treats rare Hunter syndrome. Could these personalised medicines be used more widely? We speak to Claire Booth, professor in Gene Therapy at Great Ormond Street Hospital.

And high in the Chilean desert, the last bit of 13 billion year old light has hit the mirror of the Atacama Cosmology Telescope for the last time. Dr Jenifer Millard, a science communicator and host of the Awesome Astronomy podcast, tells us what it’s been up to for the past 20 years.

And Penny Sarchet, managing editor at New Scientist brings her pick of the latest new discoveries.

Think you know space? Head to bbc.co.uk, search for BBC Inside Science, and follow the links to the Open University to try The Open University Space Quiz.

Presenter: Tom Whipple Producers: Alex Mansfield, Ella Hubber, Jonathan Blackwell, Tim Dodd and Clare Salisbury Editor: Martin Smith Production Co-ordinator: Jana Bennett-Holesworth