While American children once learned to add by reading a poster of animals and birds, they do it now by playing games on computers. Each step in between—whether it be a box of blocks or exercises ...

Around 1900 B.C., a student in the Sumerian city of Nippur, in what’s now Iraq, copied a multiplication table onto a clay tablet. Some 4,000 years later, that schoolwork survives, as do the student’s ...

Streaming platforms for From the History of Geometry haven’t been announced yet. Check back soon for updates on where you can watch it online.

Eric Mack has been a CNET contributor since 2011. Eric and his family live 100% energy and water independent on his off-grid compound in the New Mexico desert. Eric uses his passion for writing about ...