I first heard of the adult coloring book trend from my friend Myke, who described on various podcasts and Slack conversations how coloring mandala-like patterns helps him concentrate and relax while ...

Those of us who grew up coloring remember the cardinal rule: stay inside the lines. But those who pick up the Patterns of the Universe coloring book have to stay in the sines (and cosines and tangents ...

For over 40 years, Venezuelan architect Rafael Araujo has been drawing the most beautiful illustrations of nature, entirely by hand. At an old drafting table he adeptly renders the mathematical ...

I have never changed my mind about anything as quickly or completely as I changed my mind about adult coloring books. I found the trend mostly baffling and maybe a little dumb. But I saw some in a ...