Deep inside caves, water dripping from the ceiling creates one of nature's most iconic formations: stalagmites. These pillars ...

“I do not call my art ‘mathematical art,’” Dr. Roelofs said in a video interview about a week later. “It’s art about mathematics. Every artist has a favorite subject, things you want to talk about.

If you've ever traveled through drylands, you may have noticed striking vegetation patterns—stripes, spots, or ...