All Things Considered

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Die-ins, like this one at Union Station in Washington, D.C., on December 6, were conducted across America to protest the non-indictment of the police officers who killed Michael Brown and Eric Garner. Linguist Ben Zimmer says that while the word "die-in" isn't new, its increased use makes it a strong candidate for the American Dialect Society's 2014 Word of the Year. Brendan Smialowski/AFP/Getty Images hide caption

itoggle caption Brendan Smialowski/AFP/Getty Images

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Recent research has shown that zebra finches sing differently when drunk, but not whether they know enough of the lyrics to get through "Don't Stop Believin' " or "I Will Survive." Liza Gross/Courtesy Public Library of Science hide caption

itoggle caption Liza Gross/Courtesy Public Library of Science
All Things Considered