Social media has been transforming political communication dynamics for over a decade.
Here using nearly a billion tweets, we analyse the change in Twitter's news media …

We classify and analyze 200,000 US congressional speeches and 5,000 presidential
communications related to immigration from 1880 to the present. Despite the salience of …

A number of trends in national and international politics greatly affect our capacity to achieve
the cooperation that will be necessary to address the challenges facing society over the …

The level of antagonism between political groups has risen in the past years. Supporters of a
given party increasingly dislike members of the opposing group and avoid intergroup …

Belief dynamics has an important role in shaping our responses to natural and societal
phenomena, ranging from climate change and pandemics to immigration and conflicts …

Metaphors of positions, spectrums, perspectives, viewpoints, and polarization reflect the
same model, which treats beliefs—and the people who hold them—as points in space. This …

Polarization on various issues has increased in many Western democracies over the last
decades, leading to divergent beliefs, preferences, and behaviors within societies. We …

We provide commentaries on the papers included in the Dynamics of Political Polarization
Special Feature. Baldassarri reads the contribution of the papers in light of the theoretical …

We present a theory of belief dynamics that explains the interplay between internal beliefs in
people's minds and beliefs of others in their external social environments. The networks of …

Social tipping points are promising levers for accelerating decarbonization progress. They
describe how social, political, economic, or technological systems can move rapidly into a …