Actress Marcia Wallace has died at age 70. She was a fixture on American television for decades, thanks to long-running roles on The Bob Newhart Show and The Simpsons. Angela Weiss/Getty Images hide caption

itoggle caption Angela Weiss/Getty Images

The "Harlem Shake" has certainly gone global. Sunday in Lausanne, Switzerland, these folks joined in. Christian Brun /EPA /LANDOV hide caption

itoggle caption Christian Brun /EPA /LANDOV