A brain teaser is a short, playful puzzle designed to make your mind stretch and smile. It could be a riddle, a tricky question, a visual illusion, or a logic twist that nudges you to think beyond the ...

Dr. Emma Chen, a renowned mathematician, has set the international math community abuzz with her latest numerical sequence puzzle. This challenging brain teaser has stumped even the most brilliant ...

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 ...

Brain teaser puzzles test the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost intelligence and improve ...

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 ...