Cannabis users' risk of developing psychotic disorders appears to decrease with time once they stop using the drug: about 37 weeks to recede to the same levels of those who had never used it, however frequent users of high potency strains might maintain an elevated risk, even over the 181 weeks
https://www.kcl.ac.uk/news/psychotic-disorder-cannabis-use-cessation
https://redd.it/1i4upsz
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Cognitive aging—how well people retain their cognitive abilities as they age—is an important topic in psychology. A new article reveals how a person's occupation relates to the decline in cognitive ability in middle and old age.
https://doi.org/10.1016/j.intell.2024.101877
https://redd.it/1i4t80l
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Research reveals that the energy sector is creating a myth that individual action is enough to address climate change. This way the sector shifts responsibility to consumers by casting the individuals as 'net-zero heroes', which reduces pressure on industry and government to take action.
https://www.sydney.edu.au/news-opinion/news/2025/01/14/energy-sector-shifts-climate-crisis-responsibility-to-consumers.html
https://redd.it/1i4ooha
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New research finds wildfires emit 27% more methane than models predict due to missed small fires. This poses severe risks for climate feedbacks.
https://www.nature.com/articles/s41467-025-56218-w
https://redd.it/1i4g56e
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New superconductor with unconventional superconductivity discovered | Student project uncovers superconductivity in polycrystalline iron nickel zirconide
https://www.eurekalert.org/news-releases/1070535
https://redd.it/1i4cobc
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Semaglutide and liraglutide, developed to treat obesity, were associated with reduced risks of hospitalization due to alcohol use disorder in people with obesity or diabetes. Strikingly, the reduction in risk was greater than that observed with approved medications for alcohol use disorder.
https://www.psypost.org/semaglutide-and-liraglutide-linked-to-lower-alcohol-related-hospitalization-risk/
https://redd.it/1i4a8gh
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“Personalient” individuals—those with higher levels of General Factor of Personality (GFP)—are happier, even after controlling for intelligence, income, education, and prior levels of happiness. GFP reflects social effectiveness and emotional intelligence, traits that promote smoother relationships.
https://www.psypost.org/personalient-individuals-are-happier-due-to-smoother-social-relations/
https://redd.it/1i47ea2
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Study finds populations rarely converge to a single trait unless the unrealistic assumption of perfect behavioral copying is imposed. Instead, even small variations in how individuals interpret or adopt traits result in persistent diversity.
https://www.eurekalert.org/news-releases/1070980
https://redd.it/1i41i1o
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Astronomers discover rule-breaking neutron star with an incredibly slow six-hour spin
https://www.abc.net.au/news/science/2025-01-16/neutron-star-radio-transient-6-hours/104799106
https://redd.it/1i3yctt
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Astronomers Discover Slow-Spinning Radio Source That 'Shouldn't Exist'
https://www.sciencealert.com/astronomers-discover-slow-spinning-radio-source-that-shouldnt-exist
https://redd.it/1i3voqc
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A recent study suggests that snow leopards dispersed out of the Tibetan Plateau multiple times during the Quaternary, gradually strengthening their adaptation to the cold, steep slope, and high-altitude environment.
https://www.science.org/doi/10.1126/sciadv.adp5243
https://redd.it/1i3qdwp
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Parents tend to favor daughters slightly more than sons, although only parents tend to recognize the bias — children did not. Personality also plays a big role. Children who are agreeable and responsible, regardless of birth order or gender, generally receive more favorable treatment as well
https://news.byu.edu/intellect/do-parents-really-have-a-favorite-child-heres-what-new-research-from-byu-says
https://redd.it/1i3omrl
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Tik Tok and brain rot: Study found that people with higher levels of short video addiction displayed increased brain activity in regions linked to emotional regulation and reward processing. Moreover, these users showed structural differences in areas such as the orbitofrontal cortex and cerebellum.
https://www.psypost.org/does-tiktok-really-cause-brain-rot-new-study-links-short-video-addiction-to-brain-abnormalities/
https://redd.it/1i3loh4
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Calorie labels encourage people to eat less by only a single crisp, study says | Review of labelling’s effectiveness finds average reduction is equivalent of 11 calories in a typical 600-calorie meal
https://www.theguardian.com/society/2025/jan/17/calorie-labels-encourage-people-eat-less-only-single-crisp-study
https://redd.it/1i3eta7
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A 13-year study of tiny penguins in Australia has dispelled the long-held myth that these seabirds mate for life, with the 'divorce rate' nearly 10 times that of the current statistics for US adults | And, not surprisingly, it all comes down to kids.
https://newatlas.com/biology/penguins-mating-behavior/
https://redd.it/1i3fuyd
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Study finds gender gap with children when it comes to negotiating - in a series of cognitive tasks, boys had a higher opinion of their abilities and therefore asked for higher bonuses, even though they performed no better than girls did in these tasks.
https://www.nyu.edu/about/news-publications/news/2025/january/study-finds-gender-gap-with-children-when-it-comes-to-negotiatin.html
https://redd.it/1i4uf2f
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Novel framework is introduced that will allow researchers to create individualized brain models based on detailed data from noninvasive, high-temporal resolution brain scans, which could support advances in neuroscience and treatment of neurological conditions
https://www.eurekalert.org/news-releases/1070972
https://redd.it/1i4nitx
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Neuronal-ILC2 interactions regulate pancreatic glucagon and glucose homeostasis. This points to the possibility that the immune system controls blood sugar levels during periods of low energy
https://www.science.org/doi/10.1126/science.adi3624
https://redd.it/1i4lo85
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Anti-science movements are associated with harassment of—and violence against—scientists. A new study found that science cynicism (the perception that scientists are incompetent and corrupt) and Dark personality traits (psychopathy and narcissism), predict the willingness to harm scientists.
https://www.nature.com/articles/s41598-025-85208-7
https://redd.it/1i4gu3l
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Photonic processor could enable ultrafast AI computations with extreme energy efficiency: « This new device uses light to perform the key operations of a deep neural network on a chip, opening the door to high-speed processors that can learn in real-time. »
https://news.mit.edu/2024/photonic-processor-could-enable-ultrafast-ai-computations-1202
https://redd.it/1i4cobx
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Greenland ice sheet could completely melt at global warming of +3.4 C and cause 7 m (23 ft) of sea level rise.
https://tc.copernicus.org/articles/19/63/2025/tc-19-63-2025.html
https://redd.it/1i4a6i1
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Scientists successfully used lab-grown viruses to make cancer cells resemble pig tissue, provoking an organ-rejection response, tricking the immune system into attacking the cancerous cells. This ruse can halt a tumour’s growth or even eliminate it altogether, data from monkeys and humans suggest.
https://www.nature.com/articles/d41586-025-00126-y#ref-CR1
https://redd.it/1i44r72
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A new study shows that climate change boosts the Asian longhorned tick’s spread. Europe and the USA face growing risks from this disease-carrying vector by 2100.
https://doi.org/10.1038/s41598-025-86205-6
https://redd.it/1i411ii
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Panorama of Andromeda galaxy unveils hundreds of millions of stars | Hubble Space Telescope maps more than 200 million stars in the Andromeda galaxy, while the total population is estimated to be 1 trillion, with many less massive stars falling below Hubble's sensitivity limit.
https://www.eurekalert.org/news-releases/1070930
https://redd.it/1i3ouv9
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A ‘ticking DNA clock’ in brain cells drives the progression of Huntington disease
https://www.science.org/content/article/ticking-dna-clock-brain-cells-drives-progression-huntington-disease?ut
https://redd.it/1i3rscz
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Fitspiration images harm body image, while body positive content benefits both women and men, with men experiencing more pronounced benefits. Men showed greater improvements in both appearance satisfaction and body appreciation when exposed to body-positive quotes compared to fitspiration images.
https://www.psypost.org/fitspiration-images-harm-body-image-while-body-positive-content-benefits-both-women-and-men/
https://redd.it/1i3qfoi
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Self-guided VR therapy shows promise for managing social anxiety
https://www.psypost.org/self-guided-vr-therapy-shows-promise-for-managing-social-anxiety/
https://redd.it/1i3iglf
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Early human ancestors didn’t regularly eat meat | A meat-rich diet may have not emerged before the evolution of other groups like Homo
https://www.sciencenews.org/article/early-human-ancestors-didnt-eat-meat
https://redd.it/1i3jm6b
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A new study found that men in romantic relationships preferred experiential purchases, such as traveling, movies, and dining out, as opportunities for joint consumption and promoting relational satisfaction. In contrast, women preferred material purchases to enhance a practical image of warmth.
https://www.psychologytoday.com/au/blog/why-bad-looks-good/202501/can-romantic-options-strengthen-existing-relationships
https://redd.it/1i3garg
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21st-century chainmail uses molecular instead of metallic links | The "highest density of mechanical bonds ever achieved," researchers created a flexible material that works like chainmail. The breakthrough has already demonstrated its ability to improve body armor.
https://newatlas.com/materials/21st-century-chainmail-molecular/
https://redd.it/1i3f8g6
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