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If Stonehenge Monument were an ice cream, it would be a delicious bowl of vanilla blended with bits of oats and hazelnuts and honey swirls.

At least according to Hannah Spiegelman, a small-batch ice cream maker in Baltimore who explores the sweet — as well as salty, spicy and even a little nutty — sides of historical people and places through A Sweet History, her blog, Instagram feed and occasional pop-up stand of the same name.

Two young women burst through the door of a health center in a Pakistani slum. One woman sobs. The other tries to explain what just happened.

Nida, 21, and Sahar, 19, are front-line vaccinators — a small but essential role in Pakistan's enormous effort to eradicate the virus. They were going down alleys knocking door-to-door, administering polio vaccine drops to children, when a man pulled out a gun, slammed Nida over the head, snatched her bag and ran away. (Nida and Sahar asked that their last names not be used to protect their safety.)

Newark, New Jersey's largest city, is taking the concept of a neighborhood watch to a whole new level.

The city is installing hundreds of surveillance cameras to create a virtual block watch.

Some residents are concerned about the technology's implications for people's privacy.

Bay mussels in Washington's Puget Sound have tested positive for trace amounts of oxycodone, providing more evidence that the opioid prescription medication is truly ubiquitous.

Researchers at the Puget Sound Institute who analyzed the mussels said the discovery of pharmaceuticals and illicit drugs in harbors in the Seattle and Bremerton areas is not uncommon — but the organization noted this is the first time that opioids have been found in local shellfish.

Copyright 2018 NPR. To see more, visit http://www.npr.org/.

ARI SHAPIRO, HOST:

The White House had an unexpected visitor this week, actor Sylvester Stallone. He stood by President Trump as the president announced a posthumous pardon for legendary boxer Jack Johnson.

As secret recordings go, the Portland couple's conversation was pretty mundane: They were talking about hardwood floors.

But their Amazon Echo was listening and recording their discussion. The device then sent the recording to someone in their contacts — without the couple's knowledge.

Patients sitting in emergency rooms, at chiropractors' offices and at pain clinics in the Philadelphia area may start noticing on their phones the kind of messages typically seen along highway billboards and public transit: personal injury law firms looking for business by casting mobile online ads at patients.

The potentially creepy part? They're only getting fed the ad because somebody knows they are in an emergency room.

Part 3 of the TED Radio Hour episode Attention Please.

About Amishi Jha's TED Talk

What exactly is attention, and how can we reclaim it? Neuroscientist Amishi Jha says there's a powerful link between mindfulness, meditation and attention.

About Amishi Jha

Amishi Jha is a neuroscientist whose research focuses on attention, working memory and mindfulness.

Part 5 of the TED Radio Hour episode Attention Please.

About Jaron Lanier's TED Talk

Jaron Lanier says tech giants are battling for our attention to manipulate our behavior. But how did we get here? Lanier offers insights from the Internet's early days and a possible path forward.

About Jaron Lanier

Jaron Lanier is a computer scientist, technology writer, and composer.

Part 4 of the TED Radio Hour episode Attention Please.

About Tristan Harris's TED Talk

Designer Tristan Harris says attention is at the core of human experience. He argues that our addiction to technology has the power to threaten our very capacity to think, reason and problem solve.

About Tristan Harris

Part 2 of the TED Radio Hour episode Attention Please.

About Manoush Zomorodi's TED Talk

With a never-ending stream of stimulation, we rarely experience boredom. But tech podcast host Manoush Zomorodi says we actually need to feel bored in order to jump-start our creativity.

About Manoush Zomorodi

Manoush Zomorodi is the co-founder of Stable Genius Productions.

Part 1 of the TED Radio Hour episode Attention Please.

About Zeynep Tufekci's TED Talk

Why is it so easy to burn through an hour on YouTube or Facebook? Sociologist Zeynep Tufekci explains how advertising algorithms have turned our attention into a valuable commodity.

About Zeynep Tufekci

Copyright 2018 NPR. To see more, visit http://www.npr.org/.

DAVID GREENE, HOST:

Police in Nebraska say they've seized 118 pounds of pure fentanyl — one of the largest seizures in U.S. history, they say, and enough to kill more than 26 million people, according to government estimates.

Nebraska State Patrol troopers say they seized the drugs during a traffic stop on Interstate 80 near Kearney on April 26, but at the time suspected most of the powder to be cocaine.

Copyright 2018 NPR. To see more, visit http://www.npr.org/.

DAVID GREENE, HOST:

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