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 ...

Mechanical metamaterials with large strain zero Poisson’s ratio are crucial for applications needing dimensional stability under deformation. Here, the authors develop a 3D zero Poisson’s ratio ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech and strategic finance ...