Gripping as they are, it's easy to get exhausted with true crime podcasts. Morning commutes are grim enough without the weight of an unsolvable triple homicide on your psyche.
You know what your ears deserve instead? Knowledge. Hours and hours of it, provided by some of the world's wittiest geniuses.
That's why we've gathered together twelve of the most accessible and educational podcasts on the internet - because who doesn't want to be the smartest guy on the carriage?