NPR Staff

Our global health team has just finished up a series called "What Causes Pandemics? We Do." In radio and online stories, we looked at the causes behind our new hyperinfectious era. We'll continue covering this topic in future stories, but we thought our readers might want a chance to brush up on their pandemic facts. So roll up your sleeves, wash your hands and then try this quiz.

Earth Day is coming up on April 22.

It's an occasion to think about the risks we all face from climate change — and to recognize the toll these problems take on the people in the developing world, who are especially vulnerable. When oceans rise, when drought strikes, the consequences can be dire. People are losing their homes and becoming climate refugees, losing their crops, losing their water sources. Disease-carrying insects are moving into new territory.

It's been five years since the death of Trayvon Martin — and the outrage that sparked the Black Lives Matter movement.

Martin — 17 years old, black and unarmed — was shot by George Zimmerman, a neighborhood watch volunteer in Sanford, Fla.

Michael Ryan, 45, is a juvenile judge in Cleveland, Ohio. And like many of the kids who end up in his courtroom, he didn't have an easy childhood.

He adored his mother, he tells his son — also named Michael, 19, at StoryCorps in Cleveland, but she was addicted to heroin.

This weekend marks 75 years since President Roosevelt's executive order that sent Japanese-Americans to internment camps.

Roy Ebihara and his wife, 82-year-old Aiko, were children then, and both were held in camps with their families.

At StoryCorps, 83-year-old Roy told Aiko about what happened in his hometown of Clovis, N.M., in the weeks just before the executive order was issued.

Until September, journalist Chadwick Moore says his life had been lived in a liberal bubble — one that burst after he wrote a profile Milo Yiannopoulos for Out Magazine.

Across the U.S., protesters are calling for a "Day Without Immigrants" on Thursday. It's a boycott calling for immigrants not to go to work, in response to President Trump's immigration policies and his plan to build a border wall between the U.S. and Mexico.

Goats and Soda is now running a series on pandemics.

Dangerous viruses like Ebola and MERS are emerging in greater numbers than ever before. We're looking at how pandemics start, how diseases jump from animals to humans and why the number of newly discovered viruses is on the rise.

"I think you work harder if you're haunted by some small darkness," says John Darnielle. And if the work he's produced is any indication, Darnielle is one haunted man.

President Donald Trump and other Republican leaders have been working to repeal and replace the Affordable Care Act. And the millions of Americans who have health insurance through the Obamacare marketplaces aren't the only ones wondering about their fate. Leaders of insurance companies are, too.

If one thing became clear over the course of the 2016 presidential campaign, it's that Donald Trump knows how to keep media attention on himself. If cable television coverage started to stray, a new controversial tweet or remark would draw it back to Trump.

Tuesday is the last day of open enrollment for health coverage for 2017 under the Affordable Care Act. And while Republicans in Congress are working to repeal the law, it's not at all clear what might replace it.

During the campaign, President Trump suggested a nationwide insurance market that would allow insurance plans to be sold across state lines.

Many Americans are still deeply divided about the next president. That includes some married couples, like Marty and Jessica Halprin of Woodbridge, Conn. He supported Trump, she supported Clinton.

In November, they talked about their tense night watching the election results.

These days, Jessica says things have gotten less tense in their house. She says she's even noticed some cracks in Marty's support for Trump.

There's the heroic, lightning-quick medical care that saves us from crises. And then there's the slow-but-steady incremental medical attention that doctors provide for weeks, months, years, even decades in the attempt to heal complex conditions.

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