NPORS is an annual survey of U.S. adults conducted by Pew Research Center. Respondents may answer by paper, online or over the phone. They are selected using address-based sampling from the U.S.

How many Americans show up in public life – and in what ways? We looked across a range of behaviors from civic involvement to religious attendance and found that rather than falling along a single ...

Cell biology is the discipline of biological sciences that studies the structure, physiology, growth, reproduction and death of cells. Research in cell biology uses microscopic and molecular tools and ...