A shiny gray crystal called platinum-bismuth-two hides an electronic world unlike anything scientists have seen before.

When using the Duo Mobile app I get a message, "We have detected some security issues with your device that require your attention." What should I do? The Duo app helps keep you safe by suggesting you ...

This mom didn’t know how to respond to attacks from a client’s wife on her decision to work outside the home. A roundup of the most-read Carolyn Hax columns of 2025 includes a woman’s birthday ...