The Internet Paradox is this:
There is a plethora of fascinating things to learn. And the very abundance makes it less likely that one will focus long enough to actually take any of it in.
We will now attempt "Dangerous Knowledge" by way of youtube. This is a BBC series on mathematicians. It came to my attention through the thoughtful comic site Abstruse Goose,which in turn was on my son's Facebook page. So it goes!
It should work as radio. Take laptop into kitchen, clean windows and start bread while listening.