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 ...

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 ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

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 ...

Systematic evolution of ligands by exponential enrichment (SELEX) is a method used to select and characterize aptamers. These aptamers are powerful molecular recognition agents, akin to antibodies, ...

Khost (Afghanistan) (AFP) – A man convicted of murder was publicly executed at a stadium in eastern Afghanistan, witnesses told AFP on Tuesday, a punishment a UN rights monitor called "inhumane". The ...