National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Hotels ranked on industry awards, guest reviews and hotel class ratings Unbiased content created by U.S. News editors Photo tours of select hotels by local experts Navigate forward to interact with ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Any time you tap, swipe or dip a credit or debit card at checkout or enter your card number online, you ...

Alexandra Twin has 15+ years of experience as an editor and writer, covering financial news for public and private companies. Vikki Velasquez is a researcher and writer who has managed, coordinated, ...

Neal has more than 20 years of experience in financial and business journalism covering retail investing, airlines, pharmaceuticals, healthcare, sustainability, technology, and retail. He has worked ...

Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...

Abstract: Active power decoupling (APD) effectively addresses the issue of suppressing the dc voltage fluctuation in single-phase ac/dc converters. However, it usually uses the closed-loop decoupling ...

Abstract: This study introduces Entropy-Q Human-in-the-Loop Reinforcement Learning (EQ-HRL), a novel human-in-the-loop reinforcement learning framework designed for continuous control tasks. To tackle ...

Objectives To investigate vaccination coverage for influenza and COVID-19 in the SARS-CoV-2 immunity and reinfection evaluation (SIREN) study cohort of healthcare workers (HCWs) between 2020 and 2023 ...