Featured series 
Tag: Social Networks
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Nation & World
Correcting a lack of cooperation
While some social networks have been shown to intrinsically lead to cooperation, others been shown to not only lead to a breakdown in cooperation, but produce outright spite.
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Nation & World
To advance sustainability, fight inequality, researcher says
A new Harvard study argues that technological approaches to sustainability must be accompanied by efforts to reduce inequality.
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Nation & World
Rules of attraction
Nicholas Christakis, whose research explores how everything from obesity to smoking to happiness spreads among our social networks, is turning his attention to the past, exploring why and how we became the social animals we are.
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Nation & World
Ideas to improve the everyday
All-star Harvard faculty members at “Harvard Thinks Big” dazzled and provoked their audience in 10-minute talks Thursday that framed major questions about happiness, stem cell growth, runaway obesity, and the exploding American prison population.
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Nation & World
With a little help from our ancient friends
The social networks of the Hadza, a group of hunter-gatherers in Tanzania, show evidence that many elements of social network structure may have been present at an early point in human history.
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Nation & World
Taste test
Using friendship data collected from Facebook, Harvard sociologists have found that people who share similar interests in music and movies are more likely to befriend one another, but that very few interests are likely to spread among friends.
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Nation & World
What makes AA work?
Among the many ways that participation in Alcoholics Anonymous (AA) helps its members stay sober, two appear to be most important — spending more time with individuals who support efforts toward sobriety and increased confidence in the ability to maintain abstinence in social situations.
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Nation & World
Connecting with freshmen
Harvard College freshmen got their first taste Aug. 26 of the world of ideas awaiting them over the next four years in a talk by Professor Nicholas Christakis, who delivered the 2011 Opening Days Lecture, “Connected: The Surprising Power of Our Social Networks and How They Shape Our Lives.”
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Nation & World
Obesity rate will reach at least 42%
Researchers at Harvard University say America’s obesity epidemic won’t plateau until at least 42 percent of adults are obese, an estimate derived by applying mathematical modeling to 40 years of Framingham Heart Study data.
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Nation & World
‘Power Lunch’ comes to HBS
CNBC show “Power Lunch” interviews Harvard M.B.A. students to gain insights into prospects for Twitter’s future business model.
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Nation & World
In last semester, ‘Last Lectures’
As a prelude to graduation, seniors organize a “Last Lecture” series to receive advice from favorite professors.
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Nation & World
Want to live well?
Harvard faculty members from a range of fields give tips on how to live healthy.
