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

The project, officially known as Truth and Justice, will have a dedicated budget and staff, with investigators tasked with reconstructing the victims' final days. Chile's government launched a program ...

Earn 40 credits to qualify for Social Security; each $1,890 in 2026 counts as one credit. Claiming Social Security before full retirement age reduces benefit amounts. Survivor benefits are available ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Marguerita is a Certified Financial Planner ...

Natalie Campisi is a senior journalist who covers personal finance, balancing timely news with in-depth enterprise reporting. Her mission is to make complex financial issues clear and accessible for ...

Robert Harshbarger Jr. pleaded guilty in 2013 to health care fraud and distributing a misbranded drug. His wife, Diana Harshbarger, is a member of Congress. By Kenneth P. Vogel The benefits of hormone ...

In this episode of New Zealand Channel Voices, Reseller News speaks with Rana Stephan, winner of the 2024 Women in ICT Achievement Award, about her 30-year journey in the technology sector and the key ...

A state program intended to incentivize the development of affordable housing is scheduled to sunset at the end of 2025, and legislative Republicans are awaiting an audit to determine if it’s worth ...

Abstract: In this paper, we use a linear programming (LP) optimization approach to evaluate the equivocation when coding over a wiretap channel model where the main channel is noiseless and the ...

GitHub has unveiled Agent HQ, a new platform feature aimed at integrating AI-powered coding agents from major providers like Anthropic, OpenAI, Google, Cognition, and xAI directly within the GitHub ...

Abstract: This brief presents a class of optimal control for positive systems with linear nonnegative costs. First, a novel approach combining value iteration and policy iteration is presented to ...