On a prehistoric white shell fossil from the island of Java, tiny zig-zag shaped scratches may etch out the beginning of art history, and rewrite our human history. A study published in Nature ...

Wavy to Zig-Zag Line Illusion Reveals the Importance of Corners in Perception. by Matthew Hart. Dec 10 2017 • 3:00 PM. Corners are especially important because they provide a point where two ...