Key scientific witnesses including former Chief Scientific Adviser Patrick Vallance and Chief Medical Officer for England Chris Whitty are called to the UK Covid-19 Inquiry. The BBC’s Jim Reed brings us his three key moments from the evidence heard over the past few days that have been dubbed “science week”. NASA has managed to let loose a tool kit in the Earth’s orbit -- and you can even see it in the night sky with binoculars. Lucinda King explains how this is possible and if space junk is getting out of control. The United Nations has warned we’re heading towards 3 degrees warming and another Conference of the Parties, known as COP, is about to take place. The BBC’s Georgina Rannard reminds us there is still hope for our planet to curb global warming. The winner of the 2023 Royal Society Trivedi Science Book Prize was announced on Wednesday night. It’s Ed Yong for his book ‘An Immense World: How Animal Senses Reveal the Hidden Realms Around Us’. Marnie Chesterton was at the ceremony and nabbed Ed as well as Chair of the Judges Alain Goriely to find out what made this book the winner. Presenter:  Marnie Chesterton Producers: Harrison Lewis, Hannah Robins and Louise Orchard Editor: Richard Collings Production Co-ordinator: Jana Bennett-Holesworth BBC Inside Science is produced in collaboration with the Open University.