Paleoanthropologist Genevieve von Petzinger studied rock art sites across Europe and discovered that Ice Age Europeans employed just 32 distinct geometric sign types from 40,000 to 10,000 years ago.

Geometric signs: a circle (women), a triangle (men), and a triangle on top of a circle (gender neutral) Designation signs: signs that identify permanent rooms and spaces (i.e., restrooms, closets ...

Geometric signs are, the basic thinking has long been, less important than figurative signs — animals, suns, etc. Von Petzinger believes it’s a bit more complicated than that.

Sign alignments, spirals, repeating patterns of symbols: according to some epigraphists, these inscriptions are part of a structured graphic writing system that predates the first Sumerian ...

These nine teeth are part of a collection of forty-eight deer teeth decorated with geometric signs. Found in a 16,000 year-old burial in France, these artifacts are thought to have originally been ...

About 5,000 years ago, 30 goats changed hands between Sumerians. To record the transaction, a receipt was carved onto a clay tag, about the size of a Post-it. Simple geometric signs represented the ...

Canadian archeologist Genevieve von Petzinger is interested in the geometric signs — abstract symbols such as spirals, asterisks and hands — found with remarkable consistency in caves across ...

Each gender-neutral restroom must have at least a geometric sign and a designation tactile sign (i.e. signs including raised letters, accompanied by duplicative Braille, that identify the restroom).

The three appear to show a progression: The first has 8 simple geometric signs; the second includes 15 slightly more complex signs, while the third has a total of 59 signs. The variants might be ...