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

Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...

What does this Advisor Specialize in? Find a financial advisor who specializes in the area of expertise you require. It's important to find an advisor who can help you approach your personal and ...

What does this Advisor Specialize in? Find a financial advisor who specializes in the area of expertise you require. It's important to find an advisor who can help you approach your personal and ...

Over my 50-year career as an addiction researcher, these are the most common misconceptions I've heard about people with alcohol and drug addictions. Myth 1: Addiction is a bad choice. Many people ...

Next week sees 25 new games and bundles heading to the PlayStation platform. Fast-paced 2D action-platformer where you step into the boots of a young knight on his very first adventure. Run, jump, ...