You may not have heard of knot theory. But take it from Bill Menasco, a knot theorist of 35 years: This field of mathematics, rich in aesthetic beauty and intellectual challenges, has come a long way ...

BUFFALO, N.Y. — You may not have heard of knot theory. But take it from Bill Menasco, a knot theorist of 35 years: This field of mathematics, rich in aesthetic beauty and intellectual challenges, has ...

In Clive Cussler’s thriller Inca Gold, a crucial clue in an international treasure hunt is encoded in an ancient tangle of knotted, colored strands. Using a computer to identify patterns, an expert ...