Interviews with people who love numbers and mathematics. Hosted by Brady Haran, maker of the Numberphile series on YouTube.
https://www.numberphile.com/podcast/
The Hope Diamond - with 3blue1brown
Grant Sanderson makes incredibly popular math videos - but his views on math education may surprise you.
3blue1brown on YouTube
Grant's 'Hope Diamond' Eye
The actual Hope Diamond
With thanks to...
MSRI
Meyer Sound
Podcast by Brady Haran