Mathematical Puzzles to Celebrate the Arrival of 2026
A mathematical challenge set by Alex Bellos uses basic operations to make the number 26. Explore the solutions and test your own numerical skills for the new year.
Category : Search result: mathematical puzzles
Guardian's 2025 Christmas Cartoon: Spot the Famous Faces
The Guardian's annual Christmas cartoon challenge by Stephen Collins is back. Can you identify the 20 figures who defined the news in 2025? Test your knowledge now.
DeepSeek AI Model Scores Gold at IMO, Released for Free
Chinese startup DeepSeek releases the first open-source AI capable of a gold medal score at the International Mathematical Olympiad. Explore the implications for AI democratisation and global tech competition.
Genius Crossword No. 270 Poses December Challenge
The latest Genius crossword puzzle No. 270 is now available for December. Test your word skills with this challenging cryptic crossword designed for UK solvers.
Why Jigsaw Puzzles Are Good For Your Brain
Discover how jigsaw puzzles boost mental health and cognitive function. Learn why this classic pastime is making a major comeback in the digital age.
Sudoku 7097: Conquer The Guardian's Toughest Puzzle
Tackle The Guardian's notoriously difficult Sudoku 7097 with our expert solving strategies and mental agility tips for puzzle enthusiasts.
Can You Solve This Challenging Sudoku Puzzle?
Put your number skills to the test with The Guardian's latest medium-difficulty Sudoku puzzle. Perfect for sharpening your mind during a coffee break or commute.
Guardian Crossword Editors: Prunella & Mortimer's Puzzle Magic
An exclusive look at the dynamic duo, Prunella Randolph and Mortimer, who are revolutionising The Guardian's crossword desk with their unique editorial partnership and innovative approach to puzzle-making.
Viral Maths Equation Stumps Internet Geniuses
A straightforward maths problem has sparked global debate as millions argue over the correct answer. Discover why this elementary equation has divided mathematicians and geniuses alike.
Saturday Quiz: Connect Carrington, McQueen & Trotsky
Put your knowledge to the test with The Guardian's challenging weekend brain-teaser that connects surrealist art, revolutionary politics, and cinematic brilliance.
Expert Sudoku Challenge: Test Your Puzzle-Solving Skills
Ready your pencils and sharpen your logic for The Guardian's latest expert-level Sudoku puzzle. This brain-teasing grid promises to test even the most seasoned puzzle enthusiasts with its clever number placement challenges.
Killer Sudoku 994: The Ultimate Brain Challenge
Dive into the world of Killer Sudoku with puzzle 994 - a perfect blend of logic and arithmetic that will test even the most experienced puzzle solvers. Discover strategies and tips to conquer this popular brain game.
Mathematical proof debunks universe simulation theory
Groundbreaking research from Oxford University reveals mathematical proof challenging the popular simulation hypothesis, suggesting our reality operates on fundamentally different principles than any conceivable computer simulation.
Master This Mind-Bending Sudoku Challenge
Put your logical skills to the ultimate test with The Guardian's notoriously difficult Sudoku puzzle #7089. Discover expert strategies and tips to conquer this brain-teasing challenge that's stumping puzzle enthusiasts nationwide.
Challenge Your Mind: Britain's Ultimate Word Puzzles
Dive into the mind-bending world of word puzzles with the UK's very own quiz king. Test your wits against today's most cunning linguistic challenges and discover if you have what it takes to solve them.
Science Reveals How Leopards Get Their Spots
Groundbreaking research from the University of Edinburgh reveals how Turing patterns create nature's most stunning designs, from big cat coats to seashell spirals.
UK Quiz King's Latest Brain-Teasing Puzzles
Dive into today's mind-bending puzzles from Britain's master quiz-setter. Test your wits with linguistic challenges that will stretch your brain to its limits.
Killer Sudoku 993: The Ultimate Weekend Brain Challenge
Challenge your mind with The Guardian's latest Killer Sudoku puzzle. Expert tips and strategies to help you solve this deceptively tricky number game that's taking the UK by storm.
Master The Guardian's Challenging Sudoku 7081
Tackle one of The Guardian's most challenging puzzles with our expert breakdown of Sudoku 7081. Discover strategic approaches and mental exercises to master this brain-teasing number game.
Killer Sudoku 992: Britain's New Brain-Teasing Obsession
Discover why Killer Sudoku 992 is captivating puzzle enthusiasts across the UK with its unique combination of logic and arithmetic that pushes mental boundaries.
Sudoku 7073: Conquer This Week's Brain-Busting Puzzle
Challenge your mind with The Guardian's notoriously difficult Sudoku 7073. Our expert guide reveals strategic approaches to help you solve this week's cerebral test.
London's Legendary Taxi: The Mathematical Mystery
Discover the astonishing story behind London's most famous taxi journey - a mathematical puzzle that captivated the world and changed how we understand distance and routes forever.
Horse riddle baffles thousands with simple maths
A deceptively simple horse puzzle is causing nationwide confusion as thousands struggle with the mathematical brain teaser - discover the solution that's leaving people astonished.
Killer Sudoku 991: Ultimate Brain Teaser Challenge
Dive into the fascinating world of Killer Sudoku with puzzle 991. Discover solving strategies, mental benefits, and why this brain-teasing game continues to captivate puzzle enthusiasts worldwide.
Clock and Table Riddle Baffles Britain
A deceptively simple maths puzzle involving clocks and tables has gone viral, leaving thousands scratching their heads. Discover the solution to this viral brain teaser that's dividing the nation.
Guardian Launches New Film Quiz For Movie Buffs
The Guardian launches its thrilling new film puzzle series, challenging cinephiles with fiendish questions crafted by professional quiz-setters. Are you movie-literate enough to conquer it?
Expert Sudoku Challenge: Conquer Puzzle 7060
Tackle The Guardian's notoriously difficult Sudoku puzzle 7060 with our expert solving strategies and mental workout tips for serious puzzle enthusiasts.
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