Researchers found a hidden mathematical rule in tree-like art. Branch thickness follows a predictable ratio, making trees recognizable.

Yet only “Gray Tree” has scale-invariant branch diameters. When Mondrian removes the scale invariance in “Blooming Apple Tree ...

Polygons can be regular or irregular. If all the straight sides of a shape are the same length and interior angles are the same size, then it is a regular polygon. If the length of the sides are ...

Every character and creature in Dungeons and Dragons is assigned one of six different DnD sizes – important categories which define how much space they take up on a map, which weapons they can carry, ...