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 ...

Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of Science in Journalism. She has worked in multiple cities covering breaking news, politics, education, and more.

Waveguide-enhanced Raman spectroscopy utilizes electromagnetic enhancements at waveguide surfaces to improve Raman signal intensity. This Primer discusses laser selection, waveguide design, light ...

A cryogenic scanning transmission electron microscopy (STEM) approach for analyzing thick biological specimens expands the reach of cryo-electron microscopy. Two deep-learning frameworks — GHIST and ...

Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, insurance portfolio management, finance and accounting, personal investment and financial ...