Dave Davies

In his new book, Gods of the Upper Air, Charles King tells the story of Franz Boas, Margaret Mead and the other 20th century anthropologists who challenged outdated notions of race, class and gender.

Underwater explorer and photographer Jill Heinerth has dived into unmapped caves deep in the earth, and beneath a giant iceberg. She's seen hidden creatures old as dinosaurs, and witnessed scenes of surreal beauty. Her work is so dangerous, over a hundred of her friends and colleagues have died in caves. She talks about the risks and rewards of her work.

Journalist Michael Isikoff hosts a new podcast exploring the motivation and methods of those who promoted wild conspiracy theories about Rich, who was killed in a suspected failed robbery in 2016.