Abstract: Many modern applications are modeled using graphs of some kind. Given a graph, assigning labels (usually called colors) to vertices is called graph coloring. Colors must be assigned so that ...

Teachers can use these questions to draw students out and get worthwhile formative assessment responses to guide instruction.

Research findings are available online in the journal Science Advances. The original story “ Physicists use pulses of light ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

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The original version of this story appeared in Quanta Magazine. All of modern mathematics is built on the foundation of set theory, the study of how to organize abstract collections of objects. But in ...

Just 17% of Americans now say they trust the government in Washington to do what is right “just about always” (2%) or “most of the time” (15%). While trust in government has been low for decades, the ...

We might earn a commission if you make a purchase through one of the links. The McClatchy Commerce Content team, which is independent from our newsroom, oversees this content. This article has ...