A LIGO optics technician inspects one of LIGO's core optics by illuminating its surface with light. It is critical to LIGO's operation that there is no contamination on any of its optical surfaces. Matt Heintze/Caltech/MIT/LIGO Lab hide caption

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13.7: Cosmos And Culture

Growing Old With Einstein: The Long Wait For Detection Of Gravitational Waves

After many years, scientists are expected to say they have finally seen gravitational waves — giving Einstein a boost and opening up a whole new view of the universe, says astrophysicist Adam Frank.

A passenger from the Royal Caribbean cruise ship Anthem of the Seas waits for transportation after arriving at the Cape Liberty cruise port in Bayonne, N.J., Wednesday. The ship was forced to turn around after hitting a strong storm at sea. Julie Jacobson/AP hide caption

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The Two-Way - News Blog

Storm-Tossed Cruise Ship Returns To N.J. Port; 'All Hell Broke Loose,' Passenger Says

"The first day was great," one passenger says. "The second day we were watching a musical and everything started sliding."

Sunni imam Aziz Babaei, in his prayer room in Tehran, has been telling other Iranian Sunnis to be careful. One radical act, he warns, could bring pain on the whole community. Steve Inskeep/NPR hide caption

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Parallels - World News

The Precarious Existence Of Iran's Sunni Muslims

Shiite-majority Iran is home to millions of Sunnis, including the Sunni imam who opened his door to NPR's Steve Inskeep in Tehran. "We live together nicely," he insists. But he must speak with care.

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The city's water problems began when it switched to using the Flint River for its supply in 2014. They were exacerbated by government officials' failure to disclose and stop the leaching of lead and other toxins into the water. Laura McDermott for NPR hide caption

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Around the Nation

Flint Residents' Broken Faith: 'The People We Trusted Failed Us'

State and city officials knew about problems with the Michigan city's water even as they encouraged people to keep using it. Locals are disillusioned — and angry — and rebuilding that trust will be challenging.

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Pakistan policemen stand guard as a Pakistan International Airline plane taxis on a runway in Islamabad on Monday. The national carrier has struggled in recent years with a $3 billion debt. Farooq Naeem/AFP/Getty Images hide caption

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Parallels - World News

Once Pakistan's Pride, Its Embattled National Airline Fights To Survive

Decades ago, Pakistan International Airlines was a trendy airline with flight attendants wearing Pierre Cardin uniforms. These days the national carrier is $3 billion in debt and fighting privatization.

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Members of Indian Youth Congress — a wing of the National Congress party — and National Students Union of India protest for Internet freedom in April 2015 in New Delhi. Mint/Hindustan Times via Getty Images hide caption

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All Tech Considered

Should India's Internet Be Free Of Charge Or Free Of Control?

Facebook's free Internet service was banned in India on the basis of net neutrality this week. Internet providers, regulators say, should not be allowed "to shape the users' Internet experience."

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More Americans across all ages are opting not to drive. Endai Huedl/Getty Images/fStop hide caption

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Like Millennials, More Older Americans Steering Away From Driving

Americans of all ages are tossing away the keys and giving up their driver's licenses, a new study shows. Cars are being replaced by bikes, public transit and ride-hailing services.

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Ken Baker with a clear glass message bottles, though he favors green glass to send his notes. Inside, he writes about himself, mentions the bottle project and how far past bottles have gone and includes contact information. Daniel Gross hide caption

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Around the Nation

How A Man's Message In A Bottle Met A Kindred Spirit Miles Away

A few years ago, glass bottles with handwritten messages inside started washing up along the New England coast. They're the work of Ken Baker. One recently found its way to Ireland.

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Unlike other late night shows, Full Frontal doesn't have guests, and it doesn't put host Samantha Bee behind a desk. Peter Yang/TBS hide caption

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'Full Frontal' Showrunner: 'It's A Feminist Show Because We Are All Feminists'

"But it's not a show about women stuff," Jo Miller says. Full Frontal with Samantha Bee covers refugees, mental health, prison and climate change, among other things.

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A neighborhood where many people have left their homes because of a massive natural-gas leak is seen in the Porter Ranch neighborhood of Los Angeles in December. David McNew/AFP/Getty Images hide caption

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Will California Gas Leak Mark A Turning Point In Energy Debate?

A massive methane leak may soon end, but its environmental impact is still being weighed. A scientist says it won't have a big effect globally, but it's a setback in efforts to curb greenhouse gases.

Shelter dog Rohan takes a break from his scent detection trials to play outside. Rohan is one of several dogs training to detect homemade bombs at the Canine Science Collaboratory at Arizona State University. Jimmy Jenkins/KJZZ hide caption

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National Security

Dogs' New Challenge: Find A Bomb Before It Becomes A Bomb KJZZ

Humans rely on dogs to search for bombs. But the increasingly common Improvised Explosive Devices can be made with ordinary ingredients — and it is posing a new challenge for bomb-sniffing dogs.

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From member station

At the outset of Pax, a young fox who has never lived in the wild, is left alone in the woods. Illustrations copyright © 2016 by Jon Klassen hide caption

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Author Interviews

Left To Fend For Himself, 'Pax' The Fox Must Find His Human Friend

To research her new novel for young readers, author Sara Pennypacker consulted with a red fox expert. Her takeaway? "They're brilliant. Foxes are so brilliant," she says.

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