June 18, 2025

Puzzle Corner

Ready for a fresh set of puzzles? Click here for the July/August 2025 Puzzle Corner, brought to you by guest editor Ed Faulkner ’03. Send problems, solutions (by August 1), and comments to puzzlecorner@technologyreview.com. Editor emeritus Allan Gottlieb ’67 launched Puzzle Corner in 1966. Find back issues through 2022 at cs.nyu.edu/~gottlieb/tr and more recent back issues at technologyreview.com/puzzle-corner.

China banned exports of a few rare minerals to the US. Things could get messier.

December 12, 2024
This article is from The Spark, MIT Technology Review’s weekly climate newsletter. To receive it in your inbox every Wednesday, sign up here. I’ve thought more about gallium and germanium over the last week than I ever have before (and probably more than anyone ever should). As you may already know, China banned the export…

Why Business Owners Should Streamline Their Operations Now for Success in 2025

December 11, 2024
As the holiday season and year-end approach, business owners face heightened operational demands, from inventory management to spend control. By streamlining these processes and partnering with flexible suppliers, businesses can maintain efficiency, meet customer needs and focus on growth while navigating this busy period.