On this week’s show: Debra Buczkowski talks about the largest object in the asteroid belt, and a daily news roundup

On this week’s show: Cherie Kagan talks about engineering quantum dots into everyday items, and a peek at the daily news quiz

On this week’s show: Kelly Servick talks about how the microbiomes of model mice can change the outcomes of experiments, and a daily news roundup

On this week’s show: Julius Neilsen talks about the longest-lived vertebrate on Earth, and a daily news roundup

On this week’s show: Audrey Sawyer talks about new data on groundwater leaking into the oceans around the United States, and a daily news roundup

On this week’s show: Robert Wayne talks about how knowing more about wolf genetics may affect their protected status in the United States, and a daily news roundup

On this week’s show: Alyson Yee talks about what the antimicrobial added to soap, toothpaste, and even toys might be doing to our microbiomes; and a daily news roundup

On this week’s show: Julia Rosen talks about unthinkable catastrophes, and Alex Kacelnik discusses duck imprinting

On this week’s show: Kevin Wagner discusses direct detection of an exoplanet in a three-star system; plus, a roundup of news stories

On this week’s show: Jon Cohen talks about plans to shut down AIDS in the country with the most HIV infections; plus, a roundup of news stories