Eric Garner, an unarmed black man, died on July 17 after being placed in a chokehold by police. His death sparked numerous protests, including a march scheduled for this Saturday. Here, Garner's sister Ellisha Flagg (center) leads demonstrators on a march toward the 120th Precinct on July 22, following a vigil demanding justice for her brother. John Minchillo/AP hide caption

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New York Gov. Andrew Cuomo is surrounded by the media in Freeport, N.Y., on Wednesday, Cuomo was on Long Island to announce a new program to help victims of Superstorm Sandy but ended up fielding questions about the Moreland Commission. Frank Eltman/AP hide caption

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Truvada has been around for a decade as a treatment for people who are already HIV-positive. In the last few years, it has also been shown to prevent new infections, and New York officials are embracing the pill as a way to prevent the spread of AIDS. Justin Sullivan/Getty Images hide caption

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Outside New York City Hall, a policeman watches a protest against racial disparities in marijuana arrests. The majority of those arrested are black or Latino, even though those groups are not more likely to smoke pot. Andrew Burton/Getty Images hide caption

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The NYPD recently launched a study into what's causing a rise in shootings in the city. Commissioner William Bratton says it will examine a lot of factors, not just stop-and-frisk. Andrew Burton/Getty Images hide caption

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The 1981 film Stations of the Elevated follows graffiti-covered trains in New York City. The film is being reissued in New York this week and the rest of the country this fall. Artists Public Domain hide caption

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The Armatix smart gun is implanted with an electronic chip that allows it to be fired only if the shooter is wearing a watch that communicates with it through a radio signal. It is not sold in the U.S. Michael Dalder/Reuters/Landov hide caption

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Birdstone (right), ridden by Edgar Prado, upsets horse Smarty Jones to win the Belmont Stakes in 2004. Smarty Jones was one of a dozen horses since 1978 to win the first two legs of the Triple Crown, only to lose at the Belmont. Matthew Stockman/Getty Images hide caption

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"In my music I speak of unknown things, impossible things, ancient things, potential things," Sun Ra said in a 1980 documentary. May 22, 2014 is the 100th anniversary of the composer and bandleader's birth. Michael Ochs Archives/Getty Images hide caption

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People try to look through the windows of the National September 11 Memorial Museum during the museum's dedication in New York on Thursday. Justin Lane/AP hide caption

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