The Rocky and Bullwinkle Show featured a fearless flying squirrel and his slow-witted moose sidekick. They did battle with two scheming but incompetent Soviet spies named Boris and Natasha.
The cartoon is an American classic, beloved for a wry sense of humor that appeals to kids and their parents. It originally aired from 1959 until 1964, but has been in syndication ever since, most recently on the Cartoon Network and Boomerang.
Scientists watching Antarctica's Pine Island Glacier from space have noticed with some alarm that it has been surging toward the sea.
If it were to melt entirely, global sea levels would rise by several feet.
The glacier is really, really remote. It's 1,800 miles from McMurdo, the U.S. base station in Antarctica, so just getting there is a challenge. Scientists have rarely been able to get out to the glacier to make direct measurements.
Saturday, the U.S. and Russia announced an agreement on the destruction of Syria's chemical weapons. The country has a week to detail its chemical arsenal and has until the middle of 2014 to destroy its stockpile. The State Department has published a framework for the plan.
Urban explorer Steve Duncan goes underground, examining the hidden infrastructure of major cities all over the world: their tunnels, subways and sewers. Late in 2010, NPR's Jacki Lyden joined Duncan and a group of subterranean adventurers in New York. (This story originally aired on All Things Considered on Jan. 2, 2011.)