Science

"Nostalgia is memory with the pain removed." — Jim Holliday Gpointstudio/Getty Images/Cultura RF hide caption

The most common test for coronavirus infections checks for the virus' genetic material. A blood test that, instead, measures antibodies against the virus could give doctors and researchers more information. Jane Barlow/WPA Pool/Getty Images hide caption

In the early days of social media, bad health information was rampant. But in that last few years, that's begun to change, says Renee DiResta of the Stanford Internet Observatory. "There was realization that there were certain societal harms that could be traced back to the absolute unfettered use of these platforms." Mandel Ngan/Getty Images hide caption

Planet Money tries to make vodka in a radio studio. Dan Pashman hide caption

Ronda Goldfein, who leads the Philadelphia nonprofit Safehouse, says the group will open the first supervised injection site in the country next week over objections of the Department of Justice and some community members. Natalie Piserchio for NPR hide caption

While childhood vaccine rates remain high in the US, doctor Nicole Baldwin says she tries to maintain an open dialogue with parents who have questions about immunization. "I ask them, you know, 'hey, what questions do you have about this?'" she says. "'What have you heard about this on the Internet that is, you know, making you fearful?'" Eric Risberg/AP hide caption