Star Trek's Mr. Spock and Captain Kirk never even lose pocket change when they use a transporter to get from TV's Starship Enterprise to distant worlds. What gives? Paramount Television/The Kobal Collection hide caption

itoggle caption Paramount Television/The Kobal Collection

Brian Hopson, assistant superintendent at Alameda County Juvenile Hall, stands in one of its many empty units. The 360-bed facility was full when it opened eight years ago, but is now at half capacity. Brett Myers/Youth Radio hide caption

itoggle caption Brett Myers/Youth Radio

Tribal Chairman Bill Iyall stands on Cowlitz Tribe reservation land with a rendering of the casino the tribe hopes to build on the site near La Center, Washington, just north of Portland, Ore. Peter Haley/MCT/Landov hide caption

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Actor Jake Gyllenhaal stars in Southpaw, a new film about a junior middleweight boxing champion who faces adversity. Scott Garfield/The Weinstein Company hide caption

itoggle caption Scott Garfield/The Weinstein Company

3-D renderings of four skeletons found buried near the altar of an early church in the Jamestown settlement in Virginia. Smithsonian X 3D hide caption

itoggle caption Smithsonian X 3D

New England Patriots quarterback Tom Brady, seen here arriving at NFL headquarters last month, sought to destroy evidence in the "deflategate" incident, says NFL Commissioner Roger Goodell. Shannon Stapleton/Reuters /Landov hide caption

itoggle caption Shannon Stapleton/Reuters /Landov

Thai and Burmese fishing boat workers sit inside a cell at the compound of a fishing company in Benjina, Indonesia on Nov. 22, 2014. The imprisoned men were considered slaves who might run away. Dita Alangkara/AP hide caption

itoggle caption Dita Alangkara/AP

A Yale University study analyzed the experience of 60 million Americans covered by traditional Medicare between 1999 and 2013, and found "jaw-dropping improvements in almost every area," the lead author says. Ann Cutting/Getty Images hide caption

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Dana Bowerman's lifelong best friend Michelle Elliott holds a photograph of the two together. Bowerman is serving a nearly 20-year sentence for federal drug conspiracy charges. She was holding out hope for clemency for nonviolent drug offenders but it is unlikely that she will receive an early release date. Matthew Ozug/NPR hide caption

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A shortage of lifeguards across U.S. cities could be a fallout of the recovering economy. Christopher Corr/Ikon Images/Getty Images hide caption

itoggle caption Christopher Corr/Ikon Images/Getty Images

Cecil the lion is shown walking in Zimbabwe's Hwange National Park in a YouTube video from July 9, 2015. Credit: Bryan Orford Bryan Orford/YouTube hide caption

itoggle caption Bryan Orford/YouTube

Jennifer Welter, who played in a Texas Revolution game as a running back in 2014, will help coach the linebacker corps for the Arizona Cardinals this summer. MICHAEL PRENGLER/CSM /LANDOV hide caption

itoggle caption MICHAEL PRENGLER/CSM /LANDOV