The paper, published recently in PLOS One, describes an investigation of 112 ostrich eggshell fragments dating back more than 60,000 years from three archaeological sites in southern Africa. These ...

Archaeologists report that 60,000-year-old ostrich eggshell engravings reveal humanity’s earliest known use of geometry.

More than 60,000 years ago, early humans in southern Africa were carving patterns onto ostrich eggshells—and new research shows these designs were far more sophisticated than previously believed. A ...

My work comes out of an anxious need to control time and space on a limited human scale, which is the scale of a painting, a ...

Rob Hill is a Los Angeles born, Denver based geometric abstract painter whose work explores the intersection of precision and humanity. A veteran of the U.S. Coast Guard, Hill spent eight years ...

A recent study has shed new light on the cognitive and cultural complexity of human societies during the Middle Paleolithic in the Levant. The research, led by Dr. Mae Goder-Goldberger (Hebrew ...

A Geometric Zig Zag Lines of 3D Effect Vector Optical Illusion is a fascinating visual puzzle that hides a 3D image within a 2D pattern. At first glance, it appears to be a random collection of ...