Earlier this month, the government rolled out a pilot in Liverpool for ‘Operation Moonshot’, their proposal to spend £100 billion pounds to regularly test the entire UK population for SARS CoV 2. Anand Jagatia speaks to screening expert Dr Angela Raffle and medical test evaluator Professor Jon Deeks from the University of Birmingham. They share their concerns about the scheme and the benefits it may bring.

A year ago, BBC Inside Science helped launch the Big Compost Experiment, a citizen science project run by a team at UCL. They asked the public to get involved by providing information about the matter that’s rotting in compost piles around the UK. What do people think about biodegradable plastics and what actually happens to them – do they break down like they are supposed to? Anand finds out about the results so far .from Mark Miodownik, one of the creators of this project,

We travel back in time to 66 million years ago, when a massive meteorite smacked into the Gulf of Mexico bringing the reign of the dinosaurs to a cataclysmic conclusion. It was also the beginning of a new chapter in the history of life on Earth. The impact may have caused an apocalypse of earthquakes, tsunamis, volcanic eruptions and the darkness of a nuclear winter; but it may also have created a haven for new life forms to emerge. Roland Pease has been talking to two geologists, David Kring and Tim Bralower, who have found evidence for the return of life in the crater after the carnage of the meteorite strike.

Presented by Anand Jagatia Produced by Melanie Brown