A handful of grown-ups sit quietly in a meeting room at the Centennial Hills Library, happily immersed in an activity that combines pleasant childhood memories with present-day adult benefits. They’re ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Coloring apps — which let ...

It's National Coloring Book Day. It’s kind of a random holiday, but this hobby has been gaining popularity over the years for adults.And it's not just for fun — health experts say it can actually ...

Add Yahoo as a preferred source to see more of our stories on Google. Think coloring is for kindergarteners? Think again! Well, it totally is, but it's also for grown-ups in need of stress relief.