Ask HN: Technical Programming/Science Podcasts?

I would like to get into podcasts, and would be super interested in ones themed around programming and science.

However, everytime I do manage to find a podcast (on python or physics etc.) They always tend to be for the layman. I'd love a podcast for instance about python where each podcast was about very advanced programming topics or maybe highlighting a different library each podcast and discussing quirks and best practices. I just can't seem the find anything suitably technical, which makes sense since the medium isnt exactly great for it, but I'm sure there is some out there and I bet you guys know about them.

Feel free to plug your own technical/science podcast here, I'd love to listen!