Arya Bosworth had the top honors in Poway High School’s class of 2026. The 18-year-old was named valedictorian for earning a ...

Modern fluorescence microscopy can generate images of living cells as stunning to look at as they are informative to study. For techniques like fluorescence lifetime imaging microscopy (FLIM), those ...

Dozens of kids — many of them far from protest sites — have been harmed by tear gas and pepper spray deployed by federal immigration officers. Here is what you need to know about why these chemicals ...