Browsing: Solve

On June 11, 2018, seeking relief from chronic pancreatitis pain, Ashley Romero took what she believed to be half a pill of Percocet. Within minutes, she…

Earlier today I set you the following set of numerical challenges to celebrate the arrival of 2026.Auld lang signsHere is an expression equal to 26 that…

The year ahead in numbersAs we say goodbye to 2025, let’s delight in its numerical charms one final time. The year was unique this century as…

There are many contenders for “world’s greatest invention.” The wheel. The printing press. The steam engine.According to a new book, however, that title should go to…

Earlier today I set a puzzle which is extremely hard to answer if you are not a soap bubble.The four townsFour towns are situated at the…

Today’s puzzle is about transport links and soapy water.The four townsFour towns are situated at the corners of a square, as below:What is the road system…

Earlier today I set you the following puzzle. Here it is again with the solution.Two dead at the drink-offIn a far away land, the following facts…

Around 1919, the British mathematician G. H. Hardy hopped on a London cab on his way to visit his Indian colleague Srinivasa Ramanujan.The cab’s licence number,…

Earlier today I set these three puzzles, loosely based around 1729, the “taxicab number”. To read about the link between London cabs and 1729 please read…

Some types of T cells (pictured, artificially coloured) kill infected cells, but others help to suppress inflammation. Credit: Steve Gschmeissner/Science Photo LibraryThe class of immune cells…