PBS NewsHour

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How can fish hover in the water, slowly swimming in place, but turn on a dime and dart away from predator? Aerospace engineer Michael Philen and his team at Virginia Tech are studying how a fish’s muscles, nerves and the shape and flexibility...
Attorney General Eric Holder told hundreds of Kansas City, Kan. mourners Thursday that all Americans stood with their community after three people were killed at two Jewish facilities, in what local and federal authorities have called a hate crime...
The Djingarey Berre Mosque is one of three UNESCO World Heritage mosques in Timbuktu, Mali. The wooden spikes serve as scaffolding for workers to smooth new layers of mud onto the structure. Photo by Marco Dormino/U.N. mission in Mali When Islamist...
A hobbyist drone flies over an open field. Photo by Michael MK Khor Over the past 50 years, Americans have witnessed the first man walk on the moon, the birth of the Internet and cellphones which are large and small and large again. What will the...
Pro-Russian activists are reflected on a TV screen as they watch a TV broadcasting of Russian President Vladimir Putin’s annual televised question-and-answer session with the nation outside the secret service building in the eastern Ukrainian...
Ukraine Foreign Affairs minister Andrii Deshchytsia at the Nato-Ukraine Foreign Affairs meeting at the NATO headquarters in Brussels on April, 01 2014. Photo by John Thys/AFP/Getty Images GENEVA — Ukraine is hoping to placate Russia and calm...