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 ...

Population data is essential to inform the design of an assessment, such as providing a sampling frame, and to help facilitate analysis. Official statistics of UNHCR and nowcasting estimates are ...

Highly scalable, cost-effective LongPlex™ kit delivers streamlined tagmentation and multiplexing for low-pass whole genome sequencing, plasmid resequencing, and microbial sequencingMENLO PARK, Calif., ...

People crowd the sidewalks and streets as they wait to enter a variety of Uptown nightclubs in Dallas, TX, on Feb. 19, 2022. The Census' latest population estimates reflected Texas' demographic ...