Introduction

Reporting from the Guardian examines the possible pollution impacts of the collapse of Baltimore’s Francis Scott Key Bridge.

Lauren Weber of the Washington Post, who’s been speaking to doctors, tells us how they say patients are making birth-control medical decisions based on social-media misinformation.

What’s it like to live in space? Astronaut Loral O’Hara tells NPR it changes her dreams.

Today’s episode was guest-hosted by Mark Garrison.