(PhysOrg.com) -- In a recent study published in the Proceedings of the National Academy of Sciences, psychologist Veronique Izard from the Universite Paris Descartes and her colleagues show how ...

At some point in your teenage years, you probably kept a compass and straightedge in your backpack, learned the ways to prove two triangles are congruent, and knew what a secant was. It all had a ...

History shows that struggle is unavoidable. It’s interesting to think about what the world looked like for America’s Founding ...

IT is interesting to compare the attitudes of the two most recent writers in English who deal with Euclidean geometry. Sir Thomas Heath, in the second edition of his three-volume translation of the ...