If the cards shown here are rearranged to form four new poker hands of five cards each, what is the lowest possible winning ...

Solve the math puzzle from our February 2026 issue, where we plan a return passage for a robotic explorer that doesn’t want ...

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You and I go out to eat at a conveyer-belt sushi restaurant. It serves four types of sushi: ahi roll, Boston roll, caterpillar roll and dragon roll. We each have access to our own conveyer belt that ...

You have an IQ above 140 if you can solve this math puzzle. Test your problem-solving skills and intelligence with this IQ ...

Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on the subject. But when math problems are outside of a school setting, there’s no ...

While each product featured is independently selected by our editors, we may include paid promotion. If you buy something through our links, we may earn commission. Read more about our Product Review ...

There is no new Insights puzzle this month, but I come bearing a holiday gift — a special crossword puzzle for all readers of Quanta Magazine. This crossword is my homage to the wonderful writers and ...

Last December, we published our 2017 Science and Math Crossword as a holiday gift to Quanta readers. This year, I’m happy to say, it’s back by popular demand. The 2018 crossword is similar to the 2017 ...