Audie Cornish

After Facebook CEO Mark Zuckerberg testified before Congress Tuesday and Wednesday, Facebook users — among many — are still wondering if online privacy still exists.

At the hearing before the House Energy and Commerce Committee Wednesday, Rep. Ben Luján (D-N.M.) asked Zuckerberg if Facebook had detailed profiles on even those who had never signed up for the social networking site.

He replied, "In general, we collect data of people who have not signed up for Facebook for security purposes."

Facebook founder and CEO Mark Zuckerberg is preparing to testify Tuesday and Wednesday before lawmakers on Capitol Hill. They'll ask him how Facebook let the data of up to 87 million unknowing users get into the hands of the political firm Cambridge Analytica.

Facebook began notifying those users Monday. But this is just the latest controversy for the social network, famously launched from Zuckerberg's Harvard dorm room.

For the first time ever, imports of elastic knit pants surpassed imports of jeans in 2017, according to the U.S. Census Bureau. But big denim-makers are fighting back, says Bloomberg reporter Kim Bhasin.

The blue jeans-stretchy pants rivalry started around 2011, says Bhasin, with athleisure brand Lululemon's push to sell yoga pants and leggings.

"People were really wanting this kind of comfortable feeling on their legs instead of thick denim," he says. "And they would wear it in the gym and slowly that trickled out of the gym and onto the streets."

First, the bad news: Earth has been taken over by blob-shaped, toxic aliens, which kill humans on contact.

The good news: Although they have conquered humanity, they've left things more or less intact. You can keep your office job — but there's a catch. Each human is required to go through the painless but off-putting procedure of replacing their hands with metal claws.

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This week, we're remembering some of the notable people who died in 2017 and Perry Wallace is one of them.

(SOUNDBITE OF ARCHIVED BROADCAST)

PERRY WALLACE: I wasn't interested in being a pioneer or making history or doing any of that.

For the first time, a generation of children is going through adolescence with smartphones ever-present. Jean Twenge, a professor of psychology at San Diego State University, has a name for these young people born between 1995 and 2012: "iGen."

She says members of this generation are physically safer than those who came before them. They drink less, they learn to drive later and they're holding off on having sex. But psychologically, she argues, they are far more vulnerable.

For students starting medical school, the first year can involve a lot of time in a lecture hall. There are hundreds of terms to master and pages upon pages of notes to take.

But when the new class of medical students begins at the University of Vermont's Larner College of Medicine next week, a lot of that learning won't take place with a professor at a lectern.

The school has begun to phase out lectures in favor of what's known as "active learning" and plans to be done with lectures altogether by 2019.

Two summers ago, we met a woman who went by the name Teacup.

"I'm an active heroin user," she told us. "Thirty-three years as a matter of fact."

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Venezuela's ongoing political and economic crisis has taken a toll on daily life there.

A crash in oil prices and political instability under President Nicolas Maduro have led to food shortages, and that has prompted almost daily street protests by thousands of Venezuelans.

A 35-year-old protester named Carlos tells NPR's Audie Cornish the food situation is "pretty extreme." NPR is using only his first name for his safety.

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Singer and multi-instrumentalist Krystle Warren has been compared to artists like Tracy Chapman and Nina Simone. The latter comparison is particularly intriguing: Not only does Warren share that icon's talent for evocative storytelling, but she also lives in France, as Simone once did.

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The Handmaid's Tale by Margaret Atwood is one of a handful of dystopian novels that have seen a boost in sales since the 2016 election. The book tells the story of what happens when a theocratic dictatorship takes over the government and gets rid of women's rights.

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