Introduction Ethnic disparities in reproductive, maternal, neonatal and child health (RMNCH) persist in Latin America, rooted ...

Maria Torres still remembers the afternoon in April 2026 when she opened a letter from her local water utility in eastern Pennsylvania and learned that tests had found elevated levels of PFAS in her ...

Svalbard reindeer live in a place so remote they have actually evolved to become a subspecies. But that remoteness isn't ...

A simple random sample is a subset of a statistical population where each member of the population is equally likely to be ...

A new study published in the Biodiversity Data Journal provides a profound look at life up to nearly 10 kilometers below the ...

Instead of navigating the obstacles to conduct polls with human respondents, pollsters are running A.I. simulations instead.

This site displays a prototype of a “Web 2.0” version of the daily Federal Register. It is not an official legal edition of the Federal Register, and does not replace the official print version or the ...

Objective This study aims to assess the feasibility of respondent-driven sampling (RDS) to recruit participants with recent abortion experiences in humanitarian contexts, and describe the composition ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...

ABSTRACT: This study develops and empirically tests a unified model for enhancing the capacity of Small and Medium Enterprises (SMEs) in the construction industry of emerging economies. Using data ...

Previous studies have established a relationship between duodenal mucosa-associated microbiota and overall health. However, sampling duodenal microbiota is technically challenging. Mucosal biopsies ...