Archaeologists working in northern Mesopotamia say they have uncovered visual patterns that look a lot like structured counting, even though no written numerals existed at the time. The claim is bold: ...

This is the second in a two-part series. Part one can be found here. The debate over what early math should look like and what should be included in the Common Core State Standards for math is one of ...

This is the first in a two-part series. The debate over what early math should look like and what should be included in the Common Core State Standards for math is one of the most contentious in ...

Long before anyone wrote down a number, early villagers were painting flowers with a precision that looks suspiciously like ...

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In 1999, while sitting at a bus stop in Cuernavaca, Mexico, a Czech physicist named Petr Šeba noticed young men handing slips of paper to the bus drivers in exchange for cash. It wasn’t organized ...

During family dinner, we have a tradition. Everyone has to summarize their day by describing three good events and, if necessary, one bad event. When my turn arrived at a recent dinner, I turned to my ...

"I was a landscape architect who turned to a life of crime," jokes Robert Cheetham, founder of Azavea, a software development and research firm based in Philadelphia. Fourteen years ago, he was one of ...