Intellectual historian Émile P. Torres explains how Silicon Valley’s favorite ideas for changing the world for the better actually threaten to make it much, much worse.

Veteran SEIU organizer Jono Shaffer explains how Justice For Janitors innovated disruptive strategies that put building owners on the defensive.

Cordelia Fine is a psychologist and philosopher of science who has become well-known for criticizing strong claims about “innate” or “hard-wired” sex differences in the brain. Today she explains the kinds of sexist errors that have persisted for centuries.

Noted for his hard-hitting interviews, MSNBC’s Mehdi Hasan explains the art of effective public speaking.

“Astrotopia” author Mary-Jane Rubenstein discusses the dangerous colonial myths about the necessity of conquest and expansion, and how they show up in billionaires’ rhetoric today.

Prof. Jennifer Jacquet explains the tactics used to cast doubt about scientific research that threatens corporate profits.

The fascinating history of cheaply-made consumer goods, from 18th-century jewelry to kitchen gadgets to Beanie Babies, and why Americans keep buying all of this ‘crap.’

Johann Hari, author of ‘Stolen Focus,’ discusses the many ways in which tech companies are siphoning our attention for profit.