Researchers try to identify effective loneliness interventions, making the Sandmeyer safer, and books that look to the future and don’t see doom and gloom First up on the show, Deputy News Editor Kelly Servick explores the science of loneliness. Is loneliness on the rise or just our awareness of it? How do we deal with the stigma of being lonely? Also...

A different source of global warming, signs of a continentwide tradition of human sacrifice, and a virus that attacks the cholera bacteria First up on the show this week, clearer skies might be accelerating global warming. Staff Writer Paul Voosen joins host Sarah Crespi to discuss how as air pollution is cleaned up, climate models need to consider...

]Researchers are testing HIV drugs and monoclonal antibodies against long-lasting COVID-19, and what it takes to turn a symbiotic friend into an organelle First up on the show this week, clinical trials of new and old treatments for Long Covid. Producer Meagan Cantwell is joined by Staff Writer Jennifer Couzin-Frankel and some of her sources to discuss...

Tracing the arrival of rats using bones, isotopes, and a few shipwrecks; and what scientists have learned in 50 years about our famous ancestor Lucy First on the show: Did rats come over with Christopher Columbus? It turns out, European colonists weren’t alone on their ships when they came to the Americas—they also brought black and brown rats to uninfested...

Robots that can smile in synchrony with people, and what ends up in the letters section First on this week’s show, a robot that can predict your smile. Hod Lipson, a roboticist and professor at Columbia University, joins host Sarah Crespi to discuss how mirrors can help robots learn to make facial expressions and eventually improve robot nonverbal communication. Next,...

New clinical trials for treatments of an always fatal brain disease, and what happens with pests when a conventional and organic farm are neighbors First up on this week’s show, a new treatment to stave off prion disease goes into clinical trials. Prions are misfolded proteins that clump together and chew holes in the brain. The misfolding can be switched...