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 ...

Our Handbooks describe the process of preparing and maintaining diverse types of systematic reviews. Handbooks are updated regularly to reflect advances in systematic review methods and in response to ...

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 ...

The Billings Method helps women recognize their own fertility patterns by observing cervical mucus. The method doesn't require hormone drugs, devices, or temperature tracking. It is important not to ...

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, ...

We introduce the heat method for solving the single- or multiple-source shortest path problem on both flat and curved domains. A key insight is that distance computation can be split into two stages: ...

Don't prioritize your tasks by what will take the most time—try choosing what will have the biggest impact. That's what the Most Important Task (MIT) method involves: rather than thinking of specific ...