Long known for their cool circular calendars and practice of human sacrifice, Aztecs were also math whizzes. Aztecs used hand, heart and arrow symbols to represent fractional distances when ...
Images of pointing fingers are much better at diverting people's attention than directional arrows, new psychology research suggests. Researchers have shown that biological cues like an outstretched ...
Long known for their cool circular calendars and practice of human sacrifice, Aztecs were also math whizzes. Aztecs used hand, heart and arrow symbols to represent fractional distances when ...
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