We’ve collected some of our favorite moments from People I (Mostly) Admire, the latest show from the Freakonomics Radio Network. Host Steve Levitt seeks advice from scientists and inventors, memory wizards and basketball champions — even his fellow economists. He also asks about quitting, witch trials, and whether we need a Manhattan Project for climate change.

In this episode of No Stupid Questions — a Freakonomics Radio Network show launched earlier this year — Stephen Dubner and Angela Duckworth debate why we watch, read, and eat familiar things during a crisis, and if it might in fact be better to try new things instead. Also: is a little knowledge truly as dangerous as they say?