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The Trump administration has yet to define how it will direct NASA and its space operations over the next four years, and it is still unknown who the president will nominate to lead the agency. But President Trump and his advisers have given some indications as to their goals for space exploration.

A new study from researchers at Northwestern University finds that male Supreme Court justices interrupt female justices three times as often as they interrupt each other.

Here & Now‘s Jeremy Hobson speaks with Curt Nickisch (@CurtNickisch), senior editor at the Harvard Business Review, about the study’s findings.

Tennis great Serena Williams announced Wednesday that she’s 20 weeks pregnant, which means that she was expecting her first child when she won the Australian Open in January. That made us wonder: How much exercise is safe during pregnancy?

A recent study in the Journal of the American Medical Association concluded that exercising, in most cases, is good for mothers and their babies. But that also leaves some women questioning whether there’s such a thing as too much.

Animals, especially mammals, need oxygen to keep their bodies and brains humming along.

But leave it to the African naked mole-rat to buck that trend. The rodents are bizarre in just about every way. They're hairless, ground-dwelling and cold-blooded despite being mammals. Now, scientists report in the journal Science that the animals are capable of surviving oxygen deprivation.

When 18-year-old Nermeen Ileiwat first began college, she could not wait to get into a relationship — maybe even get engaged before graduation. But after one year, the rising sophomore realized she had no idea what she wanted out of life and was in no position to get into a relationship.

That decision didn't last long. Only a few months after, Ileiwat met someone at a party, and their friendship quickly turned into something more.

House Republicans are mulling over new changes to their health care proposal, hoping to wrangle enough votes to pass a bill that would allow them to keep their campaign pledge to repeal and replace the Affordable Care Act.

The latest proposal allows states to make changes to the ACA's rules governing health insurance policies and markets, in an effort to allow some states to offer stripped-down policies with lower premiums.

In case you ever find yourself hurtling into space, know this: When the little stuffed dog starts to float, that's when you've reached Earth's orbit.

Updated at 6:00 p.m. ET

General Motors has stopped operations in Venezuela after its only plant there was illegally seized by authorities, the automaker says in a statement. The details are murky: Multiple employees at the plant tell NPR that they believe auto dealers, not government officials, were responsible for the takeover.

The seizure happened Wednesday, as the "mother of all protests" brought hundreds of thousands of people into the streets to demonstrate against socialist President Nicolas Maduro.

Beans, beans, the magical fruit

Healthy, tasty

And useful, to boot!

Save that canned water,

And whip it to foam

It's an egg-white replacement

Made right at home!

OK, so it's not the playground rhyme you grew up with. But with the avid following that canned bean water — more appetizingly known as "aquafaba" — has gained in just a few short years, maybe it's time that rhyme got rewritten.

People with a brain injury or dementia often struggle to remember simple things, like names or places. In research published Thursday in the journal Current Biology, scientists have shown it may be possible to improve this sort of memory using tiny pulses of electricity — if they're properly timed.

A typical person's ability to remember things tends to vary a lot, says Michael Kahana, who directs the computational memory lab at the University of Pennsylvania.

The United States spends the most on health care per person — $9,237 – according to two new papers published in the journal The Lancet.

Somalia spends the least – just $33 per person.

People love seeing black bears when they visit Yosemite National Park in California. But encounters don't always go well. The park has come up with a new way to keep humans and bears safe.

Fresno State University student Quiang Chang was walking recently with his friends along the rushing Merced River. It was his fifth time visiting Yosemite National Park, and he hadn't seen a bear.

But if they appear, Chang said, "I probably would just quietly ... just observe them and take a picture."

Updated at 6:30 p.m. ET

A group of liberal lawyers is suing the Justice Department and FBI over President Trump's tweeted allegation of wiretapping ordered by then-President Barack Obama.

American Oversight is demanding records that support or disprove Trump's March 4 tweet, "Just found out that Obama had my 'wires tapped' in Trump Tower."

A clear majority of justices at the U.S. Supreme Court seemed troubled Wednesday by a Missouri grant program that bars state money from going to religious schools for playground improvement.

Thirty-nine states have state constitutional provisions that bar taxpayer funds from going to religious schools — provisions that have been a major obstacle for the school choice movement. The Missouri case is an attempt to lower that wall separating church and state.

Like any good fifth-grade teacher, Mike Matthews wants to make his social studies unit on the American West as exciting as possible. So he's planning a special "Wild West" evening at the school with his students.

"We're going to have good ol' cowboy-fashion hot dogs and beans, Texas Toast and beef jerky," he says. Matthews will tell stories around a mock campfire, and for added authenticity, the fifth-graders will set up a saloon.

Updated at 2 a.m. ET

Arkansas has carried out its first execution since 2005, just minutes before the expiration of the inmate's death warrant.

Ledell Lee was executed by lethal injection minutes before midnight Friday Central time in Grady, Ark. at the Cummins Unit facility, shortly before the warrant was set to expire.

Lee was pronounced dead at 11:56 p.m. Thursday, NPR member station KUAR Public Radio reports.

On a sunny Spring day last week, I met two Northern River Otters called Moe and Molly at the Virginia Living Museum in Newport News, a few towns over from where I live.

They were introduced to me by George Mathews, curatorial director of the VLM — and friend, especially, to Moe.

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Democrats want to show off a positive election result in Georgia. Democratic Party Chair Tom Perez speaks tonight to Georgia Democrats as he tours the country with Bernie Sanders. Last night, Perez spoke at a rally in Miami.

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Marie da Silva is among the 25 percent of voters who are undecided ahead of Sunday's first round of voting in France's crucial presidential election.

The 52-year-old building manager and mother has soured on the men in the race, finding them too weak, unrealistic or communist.

Though she identifies as conservative, da Silva had never voted for the far-right party, National Front.

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On Fox News the other night, Bill O'Reilly said he was going on a long, planned vacation.

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And I'm Steve Inskeep with a guide to this day's news. David, where do we start?

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Good morning. I'm David Greene. Maybe you have a Scottish friend whose accent is so thick you joke that you need a translator. Well, just listen to Alan Brown, a member of the U.K. Parliament from Scotland.

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Officials at the University of California, Berkeley reversed an earlier decision to cancel the scheduled appearance of conservative commentator Ann Coulter on April 27. They proposed an alternate May 2 date after Coulter vowed to show up on campus anyway.

Residents of the Canadian town of Ferryland, a small fishing village in Newfoundland, recently welcomed a new visitor: a huge iceberg that ran aground just offshore.

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