Emma Young meets a woman with dissociative identity disorder and discovers what happens when you lose your sense of being an individual.
Fossils! Jon Tennant sinks his teeth into the latest ichthyosaur discoveries.
Facebook has promised to clean up its political ads. Will their promise hold? Julia Angwin investigates.
Advertisers complain that privacy destroys their business model. Andrés Arrieta writes.
How Facebook allowed sponsored ads targeted to anti-Semites and racists. Julia Angwin reports.
Richard M. Stallman lays out the principles for a truly community-based hackathon.