WNYC’s Radio Lab is my favorite radio program and a gold standard for pop intellectualism.
Here are links to mp3 files of each episode, should you be able to DownThemAll:
Season One
Who Am I?
Stress
Emergence
Time
Season Two
Detective Stories
Musical Language (really fun!)
Morality
Where Am I?
Space
Season Three
Placebo
Sleep
Zoos
Memory and Forgetting
Mortality
Fourteen brilliant episodes are easily worth $28 to WNYC online.