Matthew Dellavedova (right) of the Cleveland Cavaliers handles the ball against Jeff Teague of the Atlanta Hawks in the Eastern Conference finals last month. Jason Miller/Getty Images hide caption

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Workers try to remove some of the 11 million gallons of oil spilled by the Exxon Valdez off Alaska in 1989. The ship's third mate may have been up for 18 hours before the accident. Rob Stapleton/AP hide caption

itoggle caption Rob Stapleton/AP

A direct, friendly gaze seems to help cement the bond of affection between people and their pooches. Dan Perez/Flickr hide caption

itoggle caption Dan Perez/Flickr

Having a narcissistic parent doesn't mean you're going to turn out that way, too. GraphicaArtis/Corbis hide caption

itoggle caption GraphicaArtis/Corbis

You want that soda bottle. But it may not be because you crave soda. It might just be that you love the idea of wrapping your fingers around its enticing shape. Ariel Zambelich/NPR hide caption

itoggle caption Ariel Zambelich/NPR

Residents of ShantiNiketan, a retirement community near Orlando, Fla., walk in a Hindu religious procession. Courtesy of ShantiNiketan Inc. hide caption

itoggle caption Courtesy of ShantiNiketan Inc.

If 13 episodes in a row with Piper and Crazy Eyes sounds like your dream day, social scientists want to talk with you about your habits. Paul Schiraldi/NetFlix/AP hide caption

itoggle caption Paul Schiraldi/NetFlix/AP

Think of human relationships as entanglements. How do they bind you; how do they reveal who you really are? Daniel Horowitz for NPR hide caption

itoggle caption Daniel Horowitz for NPR

Opening statements are delivered in June 1990 in the Central Park rape trial in New York in this artist's rendering. The defendants — including Yusef Salaam (from left), Antron McCray and Raymond Santana, shown here — were convicted and imprisoned in part on what were later found to be false confessions. A new study shows it's surprisingly easy to implant memories of committing a crime. Marilyn Church/AP hide caption

itoggle caption Marilyn Church/AP
Daniel Horowitz for NPR