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 ...

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

Costco is tightening its famous no-hassle return policies — much to the disappointment of some members. For years, members of the warehouse club were able to return nearly anything and receive a full ...

This study introduces an unprecedented resource of thousands of 3D images representing the diversity of an ecologically dominant group of insects: ants. These data were generated using high-throughput ...