Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.
Learn how to tie the Alpine Butterfly Loop — a strong, dependable knot for creating a fixed loop in the middle of a rope.
A Massive New Study Says This Is What Happens to People Who Drink Black Coffee Every Day Baby bison appear to have a blast ...
Neck-and-neck finish in Dutch election as Wilders' far-right party and D66 tie. —The Associated Press About this program Host Terry Lipshetz is managing editor of the national newsroom for Lee ...