Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.

Murray Grimwood says we are headed for a global one-off readjustment of life as we know it that will be of epic proportions - unless we respect basic physical laws ...

Aims To assess cytokine levels in peripheral blood and tears of patients after allogeneic haematopoietic stem cell ...

The best teachers really grasp the concepts they're educating students on. There's a reason for that and you can harness the memory power of teaching, too.

Winning football games can really come down to a game of inches. A bounce of a ball here, penalty call there, the little things can really determine the outcome ...

Photoshop CC 2017 tutorial showing how to create the look of a unique, paint splatter, pop art, silkscreen portrait. IMPORTANT: If you're having trouble with the "Threshold" filter, at 2:40 in the ...

If there’s something you’d like to remember, give the 2-7-30 method a try. Nearly 150 years of science (and the testimony of ...

Find new ideas and classic advice on strategy, innovation and leadership, for global leaders from the world's best business and management experts.

Suppose you have the opportunity to invest in a project that will require a $100 investment today and pay out a single cash flow of $250 in year ...