The relative of a worker who died in the 2013 Rana Plaza collapse mourns April 24 in front of a monument erected in memory of the victims. Authorities on Monday charged more than 40 people with murder in connection with the building's collapse that killed 1,137 people. A.M. Ahad/AP hide caption

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A gate blocks the entrance of a farm operated by Daybreak Foods, on May 17, 2015 near Eagle Grove, Iowa. The facility was reportedly struck by the current outbreak of bird flu. Secretary of Agriculture Tom Vilsick says biosecurity measures are crucial to containing the spread of the disease, which has only infected birds, not humans. Scott Olson/Getty Images hide caption

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Taser International is now selling police departments the technology to store videos from body cameras. Patrick T. Fallon/Bloomberg via Getty Images hide caption

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There are legal questions about how far employers can go to encourage participation in wellness programs. Bjorn Rune Lie/Ikon Images/Getty Images hide caption

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While governor of Texas, Rick Perry refused to accept federal funds to expand Medicaid. Rick Wilking/Reuters/Landov hide caption

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Dan Byers, an elite-cattle breeder, checks the heartbeat on a newborn calf, born from an embryo implanted in a surrogate heifer. Because the calf was delivered via C-section, he sprinkles sweet molasses powder on her to prompt the surrogate mother cow to lick her clean. Abby Wendle/Harvest Public Media hide caption

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In the face-to-face interview process, research shows that managers tend to hire applicants who are similar to them on paper. Bjorn Rune Lie/Getty Images/Ikon Images hide caption

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