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

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

US state negotiators are battling over how to manage dwindling water resources in the Colorado River Basin, a lifeline for over 40 million people spanning across seven states and two countries. What ...

You don’t need a gym to build muscle. These unique bicep and back workouts use minimal or no equipment to help you grow strength and size at home. There are several effective bicep and back workouts ...

An unidentified object struck a California-bound plane’s windshield on Thursday, sparking widespread speculation and a government investigation. On Oct. 16, United Airlines flight 1093 took off from ...

This data series is part of the Center for Monetary Research. Zero Lower Bound Probabilities at Different Time Horizons is a daily measure of the likelihood that future short-term interest rates will ...

You can trust VideoGamer. Our team of gaming experts spend hours testing and reviewing the latest games, to ensure you're reading the most comprehensive guide possible. Rest assured, all imagery and ...

The JCPOA imposed significant restrictions on Iran, in exchange for sanctions relief, to prevent it from developing nuclear weapons. https://p.dw.com/p/52DJQ Iran has ...