# From rocks to icebergs, the natural world tends to break into cubes

Perhaps the Cubists were right. Researchers have found that when everything from icebergs to rocks breaks apart, their pieces tend to resemble cubes. The finding suggests a universal rule of fragmentation at scales ranging from the microscopic to the planetary.

https://www.sciencemag.org/news/2020/07/rocks-icebergs-natural-world-tends-break-cubes