Earlier today I set this elegant number puzzle. Here it is again with a solution. Nose to tail There is a number N beginning with 4 such that moving the 4 to the end of it creates a new number that is ...

Think about placing dots on a flat surface. You want as many pairs as possible to be separated by the same distance. For any amount of dots, what is the greatest possible number of pairs that can be ...

Drone R18, Ukraine. (Photo by Trydence is licensed under CC BY-SA 4.0. https://creativecommons.org/licenses/by-sa/4.0/?ref=openverse.) For Western military leaders ...

A simple math equation has baffled the internet once again - but can you solve it? The problem was shared on social media by BreaktheSilos on X, an account devout to posting equations that spark ...

Another day, another AI model from Google. This time, Google DeepMind has released a new member of the Gemma 4 open model family, but it’s fundamentally different from the rest of the lineup.

For decades, Airline Loyalty Programs gave passengers one more reason to choose between different airlines. Sure, the networks and hubs were different, and that was often a big deciding factor, but ...