This upcoming season on The Last Archive: early artificial intelligence, the forgotten origins of social network theory, invasive species panics, freelance wiretappers, time travelers, and science fiction family histories. How do we know what we know? Why does it feel like sometimes it’s impossible to know anything at all? Host emeritus Jill Lepore passes the torch to producer Ben Naddaff-Hafrey for six gripping stories about the history of truth.

The Last Archive Season 4 launches on June 22nd with new episodes out weekly. Subscribe to Pushkin+ to hear the whole season at once, ad-free. Find Pushkin+ on the Last Archive showpage in Apple Podcasts, or at pushkin.fm/plus.