Recent advancements in systems biology have been propelled by the increasing power of omics technologies—spanning genomics, transcriptomics, proteomics, ...

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. The Pew-Knight Initiative supports new research on how Americans absorb civic ...

Studying impaired drivers in a real-world setting can be difficult, which makes it harder to gain an understanding of driving under the influence.