Mathematician solves 60-year 'moving sofa problem'
A Korean mathematician has finally proven the solution to the infamous 'moving sofa problem' after seven years of work, a puzzle popularised by a Friends scene. Read the full story.
A Korean mathematician has finally proven the solution to the infamous 'moving sofa problem' after seven years of work, a puzzle popularised by a Friends scene. Read the full story.
Ahead of World Logic Day, a puzzle involving three friends and ten cookies reveals a surprising rational outcome. Discover the step-by-step solution and the clever reasoning behind it.
Test your deductive reasoning with a tricky cookie-sharing puzzle for UNESCO's World Logic Day. Can you find the rational solution?
Celebrate World Logic Day with a brain-teasing puzzle. Three friends, ten cookies, and a battle of wits. Can you deduce the rational solution? Test your deductive reasoning now.
A major rescue operation is underway off Withernsea after reports of a family in difficulty in 'horrendous' sea conditions. Coastguard helicopters and lifeboats are involved.
A major multi-agency rescue operation is underway off the East Yorkshire coast after reports of a family in trouble in 'horrendous' sea conditions. Emergency services continue the search.
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.
As we bid farewell to 2025, a unique square number year, mathematician Alex Bellos presents a new numerical puzzle. Can you make 26 using six 7s or four 3s? Dive into the world of recreational mathematics.
South Korean AI researcher YoungHoon Kim, holder of the world's highest IQ at 276, claims mathematical proof of God's existence and that Jesus is God. Discover his controversial arguments.
Loose Women star Frankie Bridge tearfully shares her son Carter's dyslexia diagnosis and the 'battle' to get him support after he refused to attend school. Read her emotional journey.
Ed Sheeran reveals a major career shift, planning a state-of-the-art venue in Suffolk for a long-running residency to prioritise his wife and daughters. Discover his family-first decision.
Ed Sheeran appears to address strains in his seven-year marriage to Cherry Seaborn through candid lyrics in the deluxe version of his album 'Play'. Discover the emotional new tracks.
Ed Sheeran gets candid about his marriage struggles with Cherry Seaborn on his new album 'Play', revealing blazing rows and time apart. Discover the raw lyrics and how they saved their relationship.
Remembering Joan O'Hagan, the inspirational adult maths teacher who transformed learning. Discover how she ignited imaginations and championed social justice through education.
Discover how soap bubbles effortlessly solve a complex mathematical optimisation problem connecting four towns, revealing nature's genius where advanced calculus fails.
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.
The FCA warns mortgage holders against 'golden ticket' promissory notes costing £500+ that fail to clear debts. Struggling borrowers should contact lenders directly for real help.
Unlock the secrets to solving The Guardian's Sudoku 7095 with our step-by-step strategy guide. Perfect your puzzle-solving technique and boost your mental agility.
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.
Discover the ancient Japanese multiplication technique that's going viral for making complex maths problems simple enough for children to solve with ease.
A deceptively tricky primary school maths problem has gone viral after parents and mathematicians alike struggled to find the correct solution. Discover the answer that divided the internet.
A viral maths meme dividing the internet has now infiltrated UK schools, creating classroom chaos as teachers battle to maintain order while students passionately debate the correct answer.
A respected Sydney mathematics teacher faces serious criminal charges after allegedly soliciting and possessing inappropriate images of a student, sending shockwaves through the school community.
A seemingly simple maths problem given to young students has left adults scratching their heads and debating the correct solution across social media platforms.
A UK job applicant was left stunned after being presented with a complicated mathematical equation during what was supposed to be a straightforward interview for a basic position.
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.
A seemingly straightforward maths problem has divided the internet, with even calculators disagreeing on the correct answer to 6÷2(1+2). Discover why this viral equation continues to baffle millions.
New research reveals that sudden difficulty with simple calculations could be a crucial warning sign of stroke, helping doctors provide faster treatment and prevent permanent brain damage.
Discover how acalculia, a little-known neurological condition, can suddenly strip away mathematical abilities after a stroke - and why recognising it early is crucial for recovery.
A seemingly straightforward maths problem has divided the internet, with experts and social media users fiercely debating whether the answer is 1 or 9. Discover why this viral equation has everyone talking.