Mathematical model sets 2026 doomsday date
A chilling 1960 equation by three scientists predicts a global overpopulation crisis for November 13, 2026. Explore the maths behind the prophecy and why billionaires are preparing.
A chilling 1960 equation by three scientists predicts a global overpopulation crisis for November 13, 2026. Explore the maths behind the prophecy and why billionaires are preparing.
A chilling mathematical prediction from 1960 forecasts a global population crisis for November 13, 2026. Discover the science behind the prophecy and why billionaires are preparing.
A Korean mathematician has finally solved the 60-year-old 'moving sofa problem' made famous by Friends. Discover the geometry puzzle's surprising solution.
A viral time-based brainteaser stumps 98% of people. Discover the simple solution and see if your logic matches the genius 2%. Test your mind now!
A viral logic puzzle from Singapore has left 90% of people stumped. Test your wits and see if you can deduce Cheryl's birthday from the clues. Try it now!
Engage your mind with the Guardian's latest hard Sudoku puzzle, number 7,152. Find the print version and discover where to get the solution for this classic logic challenge.
Test your logic with The Guardian's Sudoku 7151, a medium-level puzzle perfect for Christmas Eve. Can you solve it? Put your skills to the test now!
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.
Ready for a brain workout? Dive into today's medium-level Sudoku puzzle. Sharpen your logic and enjoy a satisfying mental challenge. Start solving now!
Ready your pencil for The Guardian's Sudoku 7126, a classic medium-difficulty puzzle. Test your logic and find the solution. Can you complete the grid?
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.
Tackle Monday's easy Sudoku puzzle 7125 from The Guardian. A gentle brain teaser to start your week right. Solve it now!
Tackle the latest expert-level Sudoku puzzle, number 7,124, from The Guardian. Sharpen your logic and find out how to access the solution. Ready for the challenge?
Ready for a mental workout? Take on The Guardian's notoriously difficult Hard Sudoku 7121. Test your logic skills with this classic number puzzle today!
Discover how soap bubbles can solve a classic maths puzzle about connecting four towns with the shortest road network. A fascinating insight into nature's problem-solving abilities.
Tackle the Guardian's latest easy Sudoku puzzle, number 7,117. Find print instructions, solution details, and how to access more daily brain teasers. Start puzzling now!