The Guardian's Science Weekly

With scientists still racing to find treatments for Covid-19, Nicola Davis speaks with Prof Pall Thordarson about why soap is so effective at deactivating Sars-CoV-2 and how this differs from hand sanitiser.. Help support our independent journalism at

Hannah Devlin speaks with Prof David Smith about the various ways in which clinicians can test whether or not someone is infected with Sars-CoV-2. And, following the recent announcement that the UK government has bought millions of antibody tests, explores what these might be able to tell us. Help support our independent journalism at

Nicola Davis speaks to Dr Ian Bailey about the current guidance on taking ibuprofen and other non-steroidal anti-inflammatory drugs during a Sars-CoV-2 infection. And, why there was concern about whether these medications could make symptoms of the disease worse. Help support our independent journalism at

Sarah Boseley speaks to Prof Deenan Pillay about how the virus contaminates surfaces and why headlines about how long it can survive may be misleading. And, following a number of listener questions, we find out whether or not Sars-CoV-2 can survive in a swimming pool. Help support our independent journalism at

Ian Sample speaks to Prof Deirdre Hollingsworth about social distancing. What is it? How might it help to flatten the curve? And what are some of the big unknowns when it comes to predicting how effective it might be?. Help support our independent journalism at