Stuff You Should Know is a podcast that is on iTunes, presented by HowStuffWorks.com.
Howstuffworks.com is a journalism website on which there is an article on many a thing.
SYSK, as it is known, is hosted by Chuck "Chuckers" Bryant, and Josh Clark.
Stuff You Should Know is, in my opinion, good. Although this, many people accuse it of being poorly researched and just plain wrong. So be it, it's your right to dislike it.
So, I suppose if you're interested, take a look.
Also, there are many Howstuffworks.com podcasts,such as
Stuff You Missed In History Class;
Stuff Mom Never Told You;
Stuff They Don't Want You To Know;
and Stuff From The Science Lab.
among others, I'm sure I missed at least one
Stuff You Should Know is an audio podcast from Howstuffworks.com