When I used to commute an hour each way for work, I would listen to NPR or a podcast. I would find myself zoning out while driving (not a great idea when driving 80mph... 75 mph... the speed limit on the NYS Thruway), and I discovered that listening to a news segment or a podcast kept my attention better than music. (I fly my nerd flag proudly.) There are literally thousands of podcasts available to us these days, and I admittedly only know about a handful.
Radiolab is one of my favorites. If