Are facemasks fit for purpose?
5 Live Science Podcast - A podcast by BBC Radio 5 Live - Sundays
![](https://is1-ssl.mzstatic.com/image/thumb/Podcasts112/v4/3c/86/da/3c86da14-a029-425e-e241-c3e8eaaf0bc8/mza_17613727327595927393.jpg/300x300bb-75.jpg)
Dr Chris Smith and the Naked Scientist team with the latest science news stories. Including a look at whether facemasks are fit for purpose, a new app that can spot anaemia, and an investigation into the science of psychedelics.