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New study reveals strict selection patterns in social relationships

Researchers found that humans are extremely selective when choosing friends and partners, evaluating all identity characteristics positively before entering a relationship. The study used data from high school friendships and marriages to validate its findings, revealing that factors like grade level, ethnic background, and age play a ...

SourceGraz University of Technology·JournalCommunications Physics·TypeData/statistical analysis·DateMay 13, 2026
SAMSUNG T9 Portable SSD 2TB

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How a free flow of information can amplify incorrect ideas

Simulations by a team of scientists show that unrestricted information sharing can lead to less accurate collective beliefs, particularly in socially homogenous settings. This phenomenon is driven by homophily and the amplification of erroneous ideas within groups.

SourceUniversity of Groningen·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateApr 28, 2026

Your social media feed is built to agree with you. What if it didn’t?

A new study from the University of Rochester found that social media algorithms can reinforce echo chambers, but introducing randomness can help reduce this effect. By exposing users to a broader range of perspectives, algorithms can weaken feedback loops and promote more open-minded views.

SourceUniversity of Rochester·JournalIEEE Transactions on Affective Computing·DateFeb 10, 2026

Researchers find possible cause for increasing polarization

Increasing polarization and growing social connections have led researchers to discover a fundamental explanation. A study published in PNAS found that more close friends and denser social networks can lead to increased conflict and societal polarization.

SourceComplexity Science Hub·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateOct 27, 2025

ERC Starting Grants for Maria Eichlseder and Fariba Karimi

Researchers Maria Eichlseder and Fariba Karimi will study keyless encryption and AI's impact on online social networks to promote fair algorithms. Their projects aim to address open problems in cryptographic systems and quantify intersectional inequality.

SourceGraz University of Technology·DateSep 5, 2024
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

New study shows the power of social connections to predict hit songs

Researchers at the Complexity Science Hub analyzed friendships and listening habits to find social networks are a crucial predictor of song popularity. The study showed that individuals with strong influence and large friend circles accelerate a song's popularity, making social connections a key factor in music trends.

SourceComplexity Science Hub·JournalScientific Reports·TypeComputational simulation/modeling·DateJun 11, 2024

Diverse friend groups promote better social cohesion and wellbeing - study

A study of over 24,000 people found that mixed social networks with diverse friends improve social cohesion and personal well-being. People with heterogeneous friend groups reported higher levels of social cohesion within their neighborhoods, closely associated with increased life satisfaction.

SourceUniversity of Birmingham·JournalPsychological Science·TypeData/statistical analysis·DateJun 5, 2024
Kestrel 3000 Pocket Weather Meter

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Rensselaer researcher finds that users seek out echo chambers on social media

Researchers analyzed 183 million Parler posts and 702 million Twitter posts to find that users gravitate toward popular opinion and away from dissenting views, leading to polarization. The study highlights the importance of balancing social media's benefits with mitigating its drawbacks.

SourceRensselaer Polytechnic Institute·JournalIEEE Communications Magazine·TypeData/statistical analysis·DateMay 9, 2024

A better way of measuring homophily

Researchers have developed a new method to measure homophily in social networks, which can accurately capture biases within group interactions. The study found that traditional methods may produce misleading results, particularly in networks with unequal groups and asymmetric mixing.

SourceComplexity Science Hub·JournalScientific Reports·TypeComputational simulation/modeling·DateDec 5, 2023
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Predicting human group sizes with physics

Researchers at Complexity Science Hub developed a model using physics principles to predict group sizes in humans. By analyzing social stress and homophily, they found that group sizes can be predicted with relatively small information, revealing new insights into human behavior.

SourceComplexity Science Hub·JournalPhysical Review·TypeData/statistical analysis·DateJan 30, 2023

Do recommendation algorithms on social networks promote inequality?

A new study reveals that online social network algorithms can distort and amplify biases against minority groups, leading to unequal visibility and ranking. Researchers found that homophily and the proportion of minorities in a network can contribute to this effect.

SourceComplexity Science Hub·JournalScientific Reports·TypeComputational simulation/modeling·DateFeb 10, 2022

Physicists unify sociological theories that explain social stability

Researchers from the Complexity Science Hub Vienna propose that homophily, or interacting with like-minded individuals, automatically leads to social balance and stability. They demonstrate this using data from the Massive Multiplayer Online Game Pardus, where players tend to form friendships with those who share similar characteristics.

SourceComplexity Science Hub·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateFeb 3, 2022
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

The Trojan-Horse mechanism: How networks reduce gender segregation

Researchers at Linköping University found that network-based recruitment can reduce segregation levels by encouraging individuals to form ties with those of different genders. This 'Trojan-horse mechanism' suggests that networks can counteract the segregating impact of mobility events, leading to desegregating moves.

SourceLinköping University·DateApr 16, 2021

Online mirrors: Video bloggers and viewers share emotions

Researchers from Tilburg University studied over 2000 YouTube vlogs and found that people mirror the emotions of those they see online. They also seek out others with similar outlooks and moods, a phenomenon known as homophily. This emotional contagion can be seen in both immediate and sustained reactions.

SourceSociety for Personality and Social Psychology·JournalSocial Psychological and Personality Science·DateDec 27, 2018

How social networking sites may discriminate against women

A study by Columbia University researchers found that social networking site Instagram's recommendation algorithms amplify homophily, making women less visible and reducing their popularity. The algorithms, which turn loose on a network with homophily, effectively make women less visible.

SourceColumbia University School of Engineering and Applied Science·DateApr 20, 2018
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Celebs spawn copycat suicides, study confirms

A new study by Queen Mary University of London finds that celebrity suicides can trigger copycat suicides due to increased media coverage. The research suggests that restricting media reports on celebrity suicides is crucial to prevent such pandemics.

SourceQueen Mary University of London·JournalPLOS ONE·DateSep 30, 2009