All stories — Page 25

29 Dec 2025

How the 2008 recession changed people’s class identity

Research shows the 2008 Great Recession made many Americans see themselves as lower class. The change in how people view their social class appears to have lasted for years and may affect health and politics.

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29 Dec 2025

Soil carbon breaks down at very different rates across the US

A study finds that soil carbon decomposition rates across the United States can vary greatly. Researchers used lab incubations, machine learning and mapping to show regional differences and implications for climate models.

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29 Dec 2025

New training method helps models do long multiplication

Researchers studied why modern language models fail at long multiplication and compared standard fine-tuning with an Implicit Chain of Thought (ICoT) method. ICoT models learned to store intermediate results and reached perfect accuracy.

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29 Dec 2025

Study questions how people answer the PHQ

A new study finds that people interpret the PHQ mental-health questions differently. Researchers suggest changing the wording to separate how often a symptom happens from whether it

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29 Dec 2025

How the T cell receptor starts immune attacks

Scientists used cryo-EM and membrane-like nanodiscs to image the T cell receptor. They found it rests closed and opens when it meets a target antigen, a result that may help improve immunotherapies.

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29 Dec 2025

Poor vision and home hazards raise fall risk

A new study finds that poor vision combined with hazards at home greatly increases fall risk for older adults. Researchers used national 2022 data from US adults aged 65 and older to study vision and home safety.

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28 Dec 2025

Algae-based synthetic gel supports mammary tissue growth

In 2020 a PhD student and her adviser at UC Santa Barbara developed an algae-based synthetic membrane to support mammary epithelial cells. Their tunable gel, reported in Science Advances, can direct cell growth by changing mechanical and biochemical cues.

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28 Dec 2025

Study Finds Hunger Is Underestimated in Aid Counts

A new study shows the IPC system often undercounts people in crisis. Researchers analysed many assessments and found a gap that could leave millions without needed humanitarian aid.

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28 Dec 2025

How Congress reacts online after mass shootings

A study of the 117th Congress found members post very differently on X after mass shootings. Democrats posted more and quickly after incidents, while Republicans showed no similar immediate response.

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28 Dec 2025

Brain differences in WTC responders with PTSD

New imaging research of World Trade Center responders finds measurable brain structure differences linked to long-term PTSD. Researchers used gray-white contrast (GWC) MRI and other markers to distinguish responders with and without PTSD.

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28 Dec 2025

Engineered antibodies could block cytomegalovirus

A research team created changed antibodies that stop human cytomegalovirus from disabling immune responses. Lab tests show the antibodies reduce virus spread, but researchers say more testing is needed before they can be used in people.

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28 Dec 2025

AI finds new target for monkeypox

Researchers used artificial intelligence to identify a viral protein called OPG153 that many antibodies bind. Laboratory tests and mouse studies confirmed the finding, which could help develop cheaper vaccines or antibody treatments.

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