I listen to many podcasts as my primary form of audio entertainment, and because Hacker Public Radio listeners also tend to be podcast listeners (pretty much by definition) I am sharing my finds with the community. Besides, Ken made me do it.
Links:
http://hackerpublicradio.org
https://soundcloud.com/healthcaretriage
http://thehistoryofrome.typepad.com/
http://www.ihearofsherlock.com/
http://www.bbc.co.uk/programmes/b00snr0w/episodes/downloads
https://inquiring.show/
http://imagination.ucsd.edu/_wp/feed/podcast/
http://www.katebushnews.com/index.php/category/www-katebushnews-com/kate-bush-fan-podcast/
http://podnutz.com/category/linux-for-the-rest-of-us/
https://www.linuxvoice.com/category/podcasts/
http://mugglecast.com/
https://www.nature.com/nature/podcast/index.html
http://www.palain.com