A modern WCA speedcubing timer. Official random-state scrambles for every WCA event, real competition inspection, trainers with per-case stats, an alg trainer for seven puzzles, a reconstruction ...

There is no prominent think tank, industry or pundit that wants an all-out clash with Canada. So why is Trump obsessed?

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official — a shift ...

A daily, curiosity-driven guide to the big, weird, and fascinating ideas shaping the news cycle.