National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Metamaterials are a broad and growing class of materials where their topology, surface properties, or local geometry drive the properties of the material. These principles allow traditional material ...

Design and optimize cardiometabolic trials by addressing complexity, endpoints, recruitment, and regulatory requirements.

Breast cancer screening continues to reduce mortality through earlier detection, yet persistent challenges—including interval cancers, variable interpretive ...