History

Conspiracy Theories About MLK's Death Continue, But Investigators Say Case Is Closed

Authorities have investigated the death of Martin Luther King Jr. five times since his murder in April 1968. Congress, district attorneys and the Justice Department have all concluded that James Earl Ray shot King as he stood on a motel balcony in Memphis, but conspiracy theories about who was responsible for his death continue to flourish.

Time Travel With Your Fridge?

If the history of thermodynamics can teach us anything, it is that modest entropy reversals have not taken us back in time at all. But it is more fun to think otherwise, says guest Jimena Canales.