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All the bad news around lead and water has people worried. So we decided to create a step-by-step guide to help find out if the pipe bringing water into your home is made of lead. Get started here.

Editor's note: This is an excerpt from the latest episode of the Invisibilia podcast and program, which is broadcast on participating public radio stations. This story contains language that some may find offensive.

Updated 9:42 a.m. ET

Voters in the U.K. have decided to leave the European Union, a decision that has shocked Europe, shaken global markets and pushed Prime Minister David Cameron to announce his upcoming resignation.

The EU referendum vote was decisive — 52 percent to 48 percent in favor of dissolving the United Kingdom's 43-year membership in the European community. But Northern Ireland and Scotland voted in favor of remaining, raising the specter that the United Kingdom itself may break apart.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Just a week before a Vermont law kicks in requiring labels on food containing genetically modified ingredients, U.S. Senate agriculture leaders announced a deal Thursday that takes the power out of states' hands — and sets a mandatory national system for GM disclosures on food products.

Sen. Pat Roberts, R-Kansas, the chairman of the U.S. Senate Committee on Agriculture, Nutrition, and Forestry, unveiled the plan that had been negotiated for weeks with U.S. Sen. Debbie Stabenow, D-Michigan.

When you think of the sound of Houston, you might think of country and western music. Maybe you've heard of bluesmen like Johnny Copeland and Albert Collins or gospel stars like Yolanda Adams. Or, you know, Beyoncé?

There's a hot pink suitcase on the floor of Shariah Vroman-Nagy's bedroom. The 18-year-old is packing for a trip to Disneyland, one of several she takes with her family every year.

"Let's see, I need a hairbrush," she says, moving past the collection of Mickey Mouse ears on her dresser and glancing at the inspirational quotes from Marilyn Monroe on the wall.

The lyrics to a song called "Smile" hang in a frame over her bed.

The nation's colleges and universities have been on pins and needles waiting for the U.S. Supreme Court to decide whether race can be a factor in their admissions policies.

And so today's 4-3 ruling upholding the affirmative-action program at the University of Texas at Austin brought a sigh of relief to much of the higher education world.

A powerful tornado, hailstorms and heavy rain hit eastern China's Jiangsu province Thursday, killing at least 78 people, the official Xinhua news agency reported.

The news service adds that "nearly 500 people were injured, 200 critically."

In the United States, if a hospital didn't have running water even for one day, it'd be a crisis.

But in some parts of the world, that's business as usual.

A California jury has ruled that the members of Led Zeppelin did not plagiarize the opening bars of their hit "Stairway to Heaven," a seminal song in rock history.

The estate of Randy Wolfe, the deceased guitarist of the band Spirit, had filed the federal copyright infringement lawsuit in 2014. It argued that guitar intro was stolen from the opening notes of Spirit's song "Taurus," – which came out before Stairway. At the time, Wolfe was performing under the pseudonym Randy California.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

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