This episode is just a link to two other articles on other peoples' podcasts:

Rain is sizzling bacon, cars are lions roaring: the art of sound in movies by Jordan Kinsner in the Guardian
(audio version here / text version here)
Written by Jordan Kisner and read by Christopher Ragland; Produced by Simon Barnard.
Sounds natural by 99 Percent Invisible.
(listen here)
Producer Emmett FitzGerald spoke with film producer Chris Palmer; Foley artist Richard Hinton and sound recordist Chris Watson.

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If you want to listen to more, look at these interesting 99 Percent Invisible audio episodes

And these practical guides:

Week 2 Episode 2: Exercises