According to a report by the Vera Institute for Justice, there are more than 3,000 local jails in America, holding more than 730,000 people on any given day. Nancy Fishman, a project director at the Vera Institute, tells Fresh Air's Terry Gross that jails "have impacted a huge number of Americans ... many more than are impacted by state prisons."

This review has been revised from its original version. An excerpt of the Car Seat Headrest song "Just What I Needed/Not Just What I Needed" used an unlicensed sample of The Cars' "Just What I Needed." That excerpt has been removed from the review at the request of Matador Records.

Updated at 3 p.m. ET.

Out in the Nevada desert today, the world got a good look at the first public test of the Hyperloop — a concept that could someday become a new mode of transportation.

Don't call it a Wright Brothers' "Kitty Hawk" moment just yet, though. The demo focused on only one piece of a very complicated system.

If you're looking for fast cash, feel free to Google it. But if you're selling fast cash, the search giant might not be the place for you.

Starting this summer, Google will no longer allow payday lenders — companies offering short-term, high-interest loans — to buy advertising on Google ad systems.

In Rome's vast Piazza del Popolo, two uniformed men try to help a German tourist with directions. And, as is all too common in Rome, instructions get lost in translation.

But it's the men's uniforms that leave the woman more perplexed. The cops assisting her are not Italian. They're Chinese.

They're part of an unprecedented experiment in which Italian and Chinese police are working together this month on joint patrols on the streets of Rome and Milan.

The image of refugees crammed in a boat crossing the Mediterranean was one of the iconic pictures of 2015. Some 13 million people were tallied as refugees last year by the United Nations High Commissioner for Refugees, fleeing violence or disaster in their home countries.

But another 27.8 million people were displaced from their homes in 2015: 8.6 million because of armed conflicts and another 19.2 million due to natural disasters.

It's been a difficult 24 hours for British diplomacy.

With the weather warming, it's the season for spring cleaning. But before you reach for the broom and mop, consider who else is sharing your home. The variety of uninvited guests in your dustpan may surprise you.

Amanda Vinicky

The Illinois Senate approved a big change to the way Illinois funds schools yesterday, but that doesn't ensure anything will change.

Forty-four states and the District of Columbia have laws on the books requiring health insurers to cover autism treatments. But research evaluating these insurance mandates suggests the efforts are failing to help many children get needed therapy.

The state requirements have increased the number of children by about 12 percent, according to the research presented Wednesday at a major conference on autism spectrum disorder.

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