What’s the size of a refrigerator, prefers -460 degrees Farenheit and has nations racing to master it? Starts with Q …

NPR’s Sam Sanders on democratic socialism and his time reporting on Sen. Bernie Sanders (no relation). He spent much of 2015 and 2016 embedded in the Bernie Sanders campaign.

It’s more about the political climate. It’s an ambitious plan to de-carbonize the American economy while adding new jobs in infrastructure and alternative energy.

New York Times critic-at-large Wesley Morris helps us make sense of it.

It’s our dankest episode yet. We get you up to speed on memes before we ask the money question: Where is the profit when they go viral?

How did closing the government became a political weapon in the first place?

The years of your life, the mountains of debt… more people wonder if higher ed pays off.

And by “it” we mean “deleting Facebook.” Wait, what?

Can design thinking help us solve this country’s problems at scale? What about existential-crisis scale?

As a year of social media scandals ends, let’s revisit our talk with internet law professor Kate Klonick.