At Yale, Kagan says, “We really didn’t have any issues of freedom of speech until the latest thing.” On the afternoon of November 5, 2015, students surrounded Nicholas Christakis in the ...

This prompted an email response from professor Erika Christakis, who along with her husband Nicholas, are "masters" in Yale's Silliman College residence. Christakis sent the email only to students ...

Social scientist Nicholas Christakis from Yale University was studying how some gut bacteria and viruses increase a person’s risk for obesity. He started wondering whether friends pass on ...

Study senior author Nicholas Christakis, Sterling Professor of Social and Natural Science in Yale's Faculty of Arts and Sciences, directs the Human Nature Lab, which studies questions that lie at ...

"I liken it to a kind of uncertainty principle, or 'observer effect,' for genetics," said Nicholas Christakis, a Yale professor of sociology, ecology & evolutionary biology, and medicine, and ...

so these isolated villages were chosen,' said study co-author Nicholas Christakis, a sociologist and physician at Yale University. A total of 1,787 adult subjects were surveyed to determine who ...