Many of the items in The British Library's vast collection of recorded sound are in danger of disappearing. Some just physically won't last much longer; others are stored in long-dead formats.
The "State of the Union Machine" randomly generates text based on different presidents' actual speeches. Their words and phrases can be patched together to create a multi-administration text.
Clinton began his seventh year with a unique if dubious distinction: He was the only president ever to give a State of the Union speech with impeachment charges pending against him in the Senate.
The economy has improved greatly since President Obama took office on Jan. 20, 2009. But is his economic legacy impressive enough to justify taking a victory lap during his State of the Union address?
Director Ava DuVernay speaks to NPR's Michele Norris about making Selma, a searing depiction of the battle for voting rights — and the first major movie about the life of Martin Luther King Jr.
For archaeologist Eva Jensen, a happenstance find in Nevada has turned into an in-depth quest. Since stumbling across a Winchester rifle manufactured in 1882, she and other researchers have been seeking to unravel the mysteries behind it.
A rare exhibit at the Smithsonian's National Museum of the American Indian explores the history of treaties between Native American nations and the U.S.