The ‘mental number line’ theory doesn’t appear to hold up vertically. In A Nutshell When people viewed vertical lines filled ...

Magic Squares: A touch of mysticism and a lot of brain-challenging fun! By Marcel Danesi, Ph.D. in Brain Workout One of the most fascinating number games of all time ...

At first glance, counting the number of squares in a simple image might seem like a straightforward task. But beneath the surface, this visual puzzle holds more than just a numerical challenge. It ...