
“The apes’ daily lives are enriched immeasurably by these creative opportunities,” [project overseer Peter] Clay said. “Choosing canvases and colors, and choosing to make small, careful marks or big dramatic ones, these are all within their control.

“The apes’ daily lives are enriched immeasurably by these creative opportunities,” [project overseer Peter] Clay said. “Choosing canvases and colors, and choosing to make small, careful marks or big dramatic ones, these are all within their control.