Completely Optional Knowledge

The podcast where we answer the questions you never knew you had. Produced by Andrew Norton with music by Breakmaster Cylinder.


How Long Can You Live Underwater?

Swimmer Veronica Simmonds wants to know what happens when you take aquatic adventure to the extreme. So we called up ‘aquanaut’ — that’s like an astronaut but under the sea — Jessica Fain, who holds the record for longest time spent living underwater at 73 days.


 2016-01-05  8m