Want to learn how to do a DIY ring clean? Here, we ask jewelry pros to give us the inside scoop on how to clean a diamond ring at home.

After a century of study, physicists have theories — but they’re still not 100% sure.

A subtle twist between atomically thin magnetic layers can generate unexpectedly large and complex spin structures.

If you’re looking for hints and answers for Strands for Friday, February 20, 2026, read on—I’ll share some clues and tips, and finally the solution to the puzzle with the theme “True grit.” ...