Twenty Thousand Hertz is indeed good.
I mostly hear:
- SciShow Tangents
- Numberphile Podcast
- The unmade podcast
- Tiny Matters
- Through the web
- Twenty Thousand Hertz
Sometimes:
- Universe Today podcast
- this week in tech
- Eons: mysteries of deep time (hoping for a new season)
- TED Talks Daily
- Narcosis Into the deep
And some more german podcasts:
- radioWissen
- SWR2 Wissen
- WeltraumWagner
- c't uplink
- Heise Show
- 11km
And some more stuff. Mostly science and knowledge podcasts.
RIP: The Friendship Onion
And recently: The Redemption of Jar Jar Binks
Thank you for all of your hard work!