Navy Secretary Raymond Mabus (far right) and (to his right) Marine Corps Gen. Robert Neller testify Tuesday on Capitol Hill during a Senate Armed Services Committee hearing. Cliff Owen/AP hide caption

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Indian athlete Dutee Chand has been fighting the ban for "hyperandrogenism," or the presence of high levels of testosterone in the body, that has made her ineligible to compete as a sprinter. Rafiq Maqbool/AP hide caption

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Sarah Johnson makes a call during the first half of an April 2014 preseason NFL football game between the Seattle Seahawks and the San Diego Chargers. Stephen Brashear/AP hide caption

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There's a widely held assumption that a slight imbalance in male births has its start at the very moment of conception. But researchers say factors later in pregnancy are more likely to explain the phenomenon. CNRI/Science Source hide caption

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Why Are More Baby Boys Born Than Girls?
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Ellen Pao, a former partner at Silicon Valley venture capital firm Kleiner Perkins Caufield & Byers, says women were excluded from all-male meetings at the company and denied seats on boards. The firm says she was fired for poor performance. Robert Galbraith/Reuters/Landov hide caption

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Sex Discrimination Trial Puts Silicon Valley Under The Microscope
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Eight-year-old Tomás Rocha, a third grader at Malcolm X Elementary School in Berkeley, Calif., is among a handful of gender non-conforming students at the school. Brett Myers/Youth Radio hide caption

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Transgender Students Learn To Navigate School Halls
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In diverse workplaces and classrooms — such as this one at Connections Education in Baltimore — recent research suggests that adhering to standards of political correctness can actually boost, rather than inhibit, the generation of fresh ideas. Tom Dubanowich/PR Newswire hide caption

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