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

An animation film by a Santacruz studio, consisting of six spooky tales, has been adapted into a fun book designed like a ...

August, for example, is orange, quite long and evenly shaped, while September is light blue and bends round a corner.

August, for example, is orange, quite long and evenly shaped, while September is light blue and bends round a corner.

Stare for longer than a minute and these disconnected shapes begin to form new connections and meanings in the mind's eye.