Oil rises to the top of the content liquid again, primarily because of its lower density. It’s hard to remove as we know, so there’s a slick across the episode clogging our feathers.

So what are your oils? More importantly, what are Adrian’s oils? And will John insist on going through all the smoke points of all the oils? Questions that are all answered within.

Plus, Elis has got deep into a karaoke hell cubicle, Producer Dave’s left his bags at a sex shop and John once again stays in touch with the cultural zeitgeist.

“Unless they set cryptic crosswords for The Times, are in Geese or are Brian Eno I don’t know who they are.”

The Bureau is of course available on Saturday only on the universe-leading BBC Sounds.

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