It's Lexx Ed time! Just a quick warning: this episode contains information about a certain Christmas jolly figure that is not suitable for younger ears who may still have magic alive in their hearts and minds.

Other than that this week we are studying cells, antigens and antibodies - how are we still studying these? A long detour through the teletubbies.

We cover Lymph node libraries, with interruptions from Gnocchi in the introduction and interruptions from Maki in the actual episode.

The podcast about the HIV crisis Laura mentions is called Fiasco, by Leon Neyfakh and can be found here: https://luminarypodcasts.com/listen/leon-neyfakh/fiasco/8607a31a-cab7-4c9f-9df8-b6110ba93b52?country=US

Learn more about your ad choices. Visit megaphone.fm/adchoices