NPR - https://www.npr.org/

BBC Sounds - https://www.bbc.co.uk/sounds

Deutschlandfunk Kultur - https://www.deutschlandfunkkultur.de/

On BBC Sounds you can find Reith Lectures. Here’s the interesting series of lectures on consciousness by John Searle:

https://www.bbc.co.uk/sounds/play/p00h2cmw

Here you can find the transcripts:

https://www.bbc.co.uk/radio4/features/the-reith-lectures/transcripts/2011/