Abstract: Taking several topic words and a math expression as input, the aim of math word problem generation is to generate a problem that can be answered by the given expression and related to these ...

This lesson covers solved numerical problems on molarity, molality, mole fraction, and percentage concentrations to help you clearly understand solution concentration concepts in chemistry.

Abstract: As an evolving frontier in the application of uncrewed aerial vehicles (UAVs), the incorporation of labor division intelligence from natural biological groups into UAV swarms is garnering ...

Historian Heather Cox Richardson told KPBS earlier this year that the people who insist Americans are polarized are those who benefit from the division. She said the vast majority of Americans can ...

Chalkbeat Ideas is a new section featuring reported columns on the big ideas and debates shaping American schools. Sign up for the Ideas newsletter to follow our work. An obscure university report has ...