ZME Science on MSN

Ice Age People Used 32 Repeating Symbols in Caves Across the World. They May Reveal the First Steps Toward Writing

A negative hand, one of the oldest types of imagery in the world, found in El Castillo. Negative hands were often made using ...
Australian Broadcasting Corporation

Human Evolution: Symbols

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. We live in a world filled with symbols. Symbols, be they colours, or geometric or abstract designs, ...