Many people know Rube Goldberg as an adjective â€” a shorthand description for a convoluted device or contraption. But Rube Goldberg was a real person â€” one who earned a Pulitzer Prize for editorial cartooning and who captivated imaginations with drawings of complex chain reactions that completed the simplest of tasks.
Goldberg died in 1970, but Jennifer George, his granddaughter, has collected the zany world he created in a coffee table book, The Art of Rube Goldberg: (A) Inventive (B) Cartoon (C) Genius.
Saturday is World Braille Day, commemorating the birth of Frenchman Louis Braille, who was blinded in an accident when he was a toddler. Undeterred, he became a brilliant student but was frustrated that he couldn't read or write.
In school, he learned about a system of dots used by soldiers to communicate at night. Braille adapted that system into something that would transform the lives of the blind and visually impaired.
At the start of this new year, a number of cities in the United States, including its five largest, have a common story to tell about crime. In 2013, they all saw violent crime rates drop significantly. Some also saw murder rates drop to historic lows. From Chicago, NPR's Cheryl Corley reports.