The mathematics of graphs has helped reveal a principle that limits the strength of quantum correlations – and explains why ...

Mathematicians love the certainty of proofs. This is how they verify that their intuition matches observable truth.

In 1900, at the grand amphitheater of the Sorbonne in Paris, David Hilbert stood before a crowd of mathematicians and ...

The triangle is a small instrument made of a metal rod bent into a triangle shape that is open at one corner. While small, ...