This widely used method of calculating returns considers a portfolio's cash flows Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles ...

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 ...

As a massive winter storm barrels across the U.S., power grid operators are taking extraordinary steps to keep the lights on and avoid rolling blackouts. The storm, stretching more than 2,300 miles, ...

The winter storm that stretched across half the country knocked out electricity to more than a million customers on Sunday, sending utilities scrambling to restore power ahead of the sub-freezing ...

Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. The application of statistical methods extracts information from ...

Clinical utility of next generation sequencing (NGS) on circulating tumor DNA (ctDNA) in patients (pts) with pancreatic cancer (PC). Targeting germline or somatic DNA repair defects (beyond BRCA) in ...

The Tesla Supercharger exists as a combined network of proprietary charging stations developed and implemented by Tesla. As a result, the automaker doesn’t have to rely on third-party charging ...