[foodevl]

> This reminds me of some experiment (that I will never be able to find again)

That was from Richard Feynman.

[pests]

Ah yes! That would totally line up. Guessing from his Surely You're Joking book.

Apologies to any if I butchered the story or experiment, been awhile.

[frabcus]

It's definitely in the excellent Feynman BBC series "Fun to imagine"