Jacqueline Nowak designed a novel approach that relies on a network-based shape representation, named visibility graph, along with a tool for analyzing shapes, termed GraVis. The visibility graph ...

Excerpted from "The Grapes of Math: How Life Reflects Numbers and Numbers Reflect Life." Numbers were invented to describe precise amounts: three teeth, seven days, twelve goats. When quantities are ...

IF JOEY was Chloe’s age when he was twice as old as Zoe was, how many times older will Zoe be when Chloe is twice as old as Joey is now? Or try this one for size. Two farmers inherit a square field ...