To understand how false news spreads, Vosoughi et al. used a data set of rumor cascades on Twitter from 2006 to 2017. About 126,000 rumors were spread by ∼3 million people. False news reached more people than the truth; the top 1% of false news cascades diffused to between 1000 and 100,000 people, whereas the truth rarely diffused to more than 1000 people. Falsehood also diffused faster than the truth.
Artificial Intelligence Could Identify Gang Crimes—and Ignite an Ethical Firestorm
A new algorithm is trying to automate the process of identifying gang crimes. But some scientists warn that far from reducing gang violence, the program could do the opposite by eroding trust in communities, or it could brand innocent people as gang members.
How many scientific papers drop into the void, never to be cited by anyone, ever again? There are all sorts of estimates floating around, many of them rather worryingly high, but this look at the situation by Nature suggests that things aren't so bad.
Researchers Debate Whether Journals Should Publish Signed Peer Reviews
HHMI meeting examines ways to improve manuscript vetting: little consensus on whether reviewers should have to publicly sign their critiques, which traditionally are accessible only to editors and authors.
For the first 2 years of my Ph.D. program, my primary adviser was always available when I needed help, promptly responding to emails and meeting with me when questions arose. But that abruptly changed when he went on sabbatical and left the country.
How the News Media Activate Public Expression and Influence National Agendas
The active participation of the people is one of the central components of a functioning democracy. Research performed a real-world randomized experiment in the United States to understand the causal effect of news stories on increasing public discussion of a specific topic.