Science

Autonomous weapons would take warfare to a new domain, without humans
Former special operations agent Paul Scharre helped create U.S. military guidelines on autonomous weapons. His new book Army of None, looks at the advances in technology, and the questions they raise.
Invisibilia: The Stories We Tell
Sometimes we lose something so central that our very sense of self unravels, and we have to resort to extremes.
In any relationship, there are always things we don't say, assumptions we make about people we love. But often those assumptions are wildly, even dangerously wrong.
Invisibilia: The Pattern Problem
Unseeable forces control human behavior and shape our ideas, beliefs, and assumptions.
Watch: Zuckerberg testimony reveals lawmaker confusion on Facebook
The Facebook CEO appears before the House Energy and Commerce Committee after a five-hour session in front of two Senate committees on Tuesday. He'll take more questions about privacy and security.