A new sticker designates a gender neutral bathroom at a high school in Seattle. President Obama's directive ordering schools to accommodate transgender students has been controversial in some places, leading 11 states to file a lawsuit against the Obama administration in response. Elaine Thompson/AP hide caption

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TSA Administrator Peter Neffenger prepares to testify during a House Homeland Security Committee hearing on Capitol Hill. Lawmakers sought answers as to why long security lines persist at airports around the country. Mark Wilson/Getty Images hide caption

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TSA Hopes To Speed Up Screening Lines This Summer, Administrator Tells Congress
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Peter Thiel, head of Clarium Capital Management and founding investor in PayPal and Facebook, speaks at a conference in San Francisco on April 12. Noah Berger/Bloomberg/Getty Images hide caption

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Female Drosophila bifurca flies have an organ to store sperm (right) that male flies compete to fill, crowding out rivals. Scott Pitnick/Nature hide caption

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For Female Fruit Flies, Mr. Right Has The Biggest Sperm
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Ukrainian pilot Nadiya Savchenko (center), who was freed from jail in Russia as part of a prisoner exchange, talks to the media upon arrival at Kiev's Boryspil airport on Wednesday. Anatolii Stepanov /AFP/Getty Images hide caption

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Demonstrators gather in a silent rally to mourn the death of an Okinawa woman in front of Camp Zukeran on May 22. The crime is thrusting the opposition to the U.S. presence on Okinawa back in the spotlight. The Asahi Shimbun/The Asahi Shimbun via Getty Images hide caption

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As President Visits Japan, Okinawa Controversy Is Back In The Limelight
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Asking Mom: 'Did You Know I Was Depressed In High School?'
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Chechen regional leader Ramzan Kadyrov speaks as he attends celebrations marking Defenders of the Fatherland Day in Chechnya's provincial capital of Grozny, Russia, in February. Musa Sadulayev/AP hide caption

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Margaret Chan (left), director general of the World Health Organization, is among the dignitaries visiting a military base in Conakry, Guinea, on a tour of west African countries affected by Ebola. Also pictured: Guinean President Alpha Conde (fourth from right) and U.N. Secretary General Ban Ki-Moon (right). BINANI/AFP/Getty Images hide caption

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WHO Aims To Reform Itself But Health Experts Aren't Yet Impressed
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U.S. officials and members of Native American Nations attend an "emergency meeting" at the Smithsonian National Museum of the American Indian, in Washington, D.C., on Tuesday. They were gathered to object to a Paris auction house's upcoming sale of objects sacred to Native Americans. Andrew Harnik/AP hide caption

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MacArthur 'Genius' Angela Duckworth Responds To A New Critique Of Grit
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Protesters help a fellow demonstrator who was affected by the smoke and pepper spray reportedly used by police to disperse the crowd outside Tuesday's rally for Republican presidential candidate Donald Trump in Albuquerque, N.M. Russell Contreras/AP hide caption

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There will be about 55 percent more people with diabetes as baby boomers become senior citizens, a report finds. Rolf Bruderer/Blend Images/Getty Images hide caption

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A view from the Shark Valley Visitors Center in Everglades National Park. Much of the freshwater that used to replenish South Florida's saw grass prairie has been diverted to agriculture, researchers say. Pietro Valocchi/Flickr hide caption

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Rising Seas Push Too Much Salt Into The Florida Everglades
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A startup called Opternative offers online vision tests using a computer and a smartphone. Coutesy of Opternative hide caption

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Online Eye Exam Site Makes Waves In Eye Care Industry
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In A Lawsuit, New York Accuses Domino's Pizza Of Wage Theft
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