A study led by UC Riverside physicist Hai-Bo Yu suggests that a new type of dark matter could explain three astrophysical puzzles across vastly different environments. Published in Physical Review Letters, the study proposes that dense clumps of self-interacting dark matter (SIDM)—each about a million times the mass of the sun—can account for unusual gravitational effects observed in gravitational lenses, stellar streams, and satellite galaxies.
Self-interacting dark matter may solve three cosmic puzzles
-
The number of deportations within the United States increased by a factor of five in the first year under the current presidential administration, according to a new report by the Deportation Data Project.This post was [...]
-
Generation Z men are less likely to vote for left-wing parties than women, and their political preferences can be linked to their sexist attitudes, a large-scale study has found. Research on 15,122 people in the [...]
-
From refusing to doff hats in court to resisting hat-snatching highway robbers, England’s relationship with hats goes far deeper than fashion, new research shows.This post was originally published on this site
-
New research from the University of Bath reveals that online influencers can mobilize followers and legitimize harmful behaviors without ever issuing explicit instructions, offering fresh insight into how digital platforms shape public attitudes, emotions and [...]
-
Dropping out of high school has been linked to higher rates of delinquency and lower socioeconomic status, but thinking of high school dropouts collectively, as one group, is a flawed belief that could be affecting [...]
-
Online comments can shape how social media content about politics is perceived, even when people’s opinions are hard to change, a new study shows. The new research suggests that while attitudes may be stable, the [...]
-
An Iran-linked hacktivist group recently claimed to have hacked into the private emails of Kash Patel, director of the Federal Bureau of Investigation, posting photos and documents online.This post was originally published on this site
-
Differences of opinion on climate change among the Dutch have not increased over the past 40 years; in fact, they have decreased, according to a study conducted by sociologists Anuschka Peelen and Jochem Tolsma of [...]
-
Disinformation communicated by and on behalf of foreign powers is now part and parcel of digital statecraft in the information age, an expert from Cardiff University has said.This post was originally published on this site
-
In just a few years, generative artificial intelligence (gen AI) has brought about significant changes in many industries, from health care to education, entertainment to finance, and even law.This post was originally published on this [...]
