Huo Jingnan

Huo Jingnan (she/her) is an assistant producer on NPR's investigations team. She helps with reporting, research, and production both on the team and in the network. She was the primary data reporter on Coal's Deadly Dust, a project investigating black lung disease's resurgence. The project won an Edward Murrow Award and NASEM Communications award, and was nominated for a George Foster Peabody award.

She has also analyzed air monitoring data to see if lockdowns under the coronavirus pandemic made the air cleaner, and investigated why face mask guidelines differ between countries.

Huo has a master's degree from Northwestern University's Medill School of Journalism.

Updated September 13, 2021 at 4:04 PM ET

Editor's note: This story has been updated with additional responses to NPR's queries from the Department of Housing and Urban Development, which it did not provide before the story was published.

Anyone who has watched soap operas in the last 50 years knows Los Angeles County + USC Medical Center as General Hospital. For decades, its original building graced the soap opera's opening credits.

Inside, though, there's no love story between Luke and Laura.

LAC + USC is what's known as a safety-net hospital — one of the largest in the United States. And that makes the reality inside a daily financial struggle to care for every patient who walks through its doors, patients other hospitals often try to avoid.

Pastor Aaron Trigg was at home when the water arrived in Rainelle. It had been raining hard all day, filling the creeks and rivers that run through southern West Virginia. In the past, such intense downpours would last only a few hours, but this storm brought wave after wave of torrential rain.

"You could hear the water up in the mountains just crashing trees," Trigg remembers.

Rainelle is a small town in a steep valley. When the creek near downtown jumped its banks on the evening of June 23, 2016, the water immediately flooded into every home on Trigg's block.

Stargazers perk up — Mars will look big and bright the coming week, as the sun, Earth and Mars line up close to a new moon on the night of Oct. 13.

The event that happens about every two years is called "opposition" in astronomy terms: the sun and Mars on opposite sides of Earth. From the earthling's perspective, according to NASA, Mars rises in the east just as the sun sets in the west, and would stay up in the sky the whole night, setting in the west just as the sun rises.

One person was killed and another man is in police custody after a fatal shooting in Denver on Saturday that occurred toward the end of dueling rallies by activists on the far right and the far left.

The Denver Police Department said it had taken a private security guard into custody in connection with the shooting. On Sunday, the department identified the suspect as 30-year-old Matthew Dolloff. He has not been formally charged.

After an amphibious assault vehicle (AAV) sank with 16 crew members inside during training on Thursday off the Southern California coast, the Marine Corps announced Sunday that the eight missing service members are now presumed dead.

Eight Marines on board were rescued. One of those died soon after being hospitalized and two are in critical condition.

The eight now presumed dead are seven Marines and one Navy sailor.

Tropical Storm Isaias is continuing its push toward Florida's east coast on Sunday after battering the Bahamas with heavy rainfall and gusty winds.

Isaias, which was downgraded to a tropical storm after reaching hurricane status, is whipping up sustained winds of 65 miles per hour and could bring 1 to 7 inches of rainfall from Florida to New England in the coming week, according to the National Hurricane Center.

More widespread wearing of face masks could prevent tens of thousands of deaths by COVID-19, epidemiologists and mathematicians project.

A model from the University of Washington's Institute for Health Metrics and Evaluation shows that near-universal wearing of cloth or homemade masks could prevent between 17,742 and 28,030 deaths across the US before Oct. 1.

Of the world's 20 poorest states, the Democratic Republic of the Congo spends the least per citizen on health care — $19 per person annually.

And in Sierra Leone, the highest health spender among those states south of the Sahara, it's over triple — $66 per capita.

That's still just a fraction of how much the world's wealthiest countries spend on each of their residents' health. In the United States, the number is nearly $10,000. Half of the 20 richest countries spend at least $5,000 per person.

Don't see the graphic above? Click here.

With traffic dramatically down in recent months, the United States is in the middle of an accidental experiment showing what happens to air pollution when millions of people stop driving.

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