An attendee plays video games at the Gamescom 2015 gaming trade fair on August 5, 2015 in Cologne, Germany. Sascha Schuermann/Getty Images hide caption

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Daniel Craig plays James Bond in the film Casino Royale. Dramatis, a computer program, can detect suspense from this scene and rates it even higher as the plot thickens. MGM/United Artists/Sony/The Kobal Collection hide caption

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A man using a mobile phone walks past an AT&T store, in June. The New York Times and ProPublica report that the telecom giant helped the NSA spy for decades. Mark Lennihan/AP hide caption

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A brown bear in its natural habitat. Wildlife ecologists in Minnesota found that black bears in their study experienced an increase in heart rate when buzzed by drones. iStockphoto hide caption

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