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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Scientists studying the impact of accents on prejudices find that people associate accents they consider more working-class with more criminal behavior
https://www.frontiersin.org/journals/communication/articles/10.3389/fcomm.2024.1462013/abstract
https://redd.it/1i39y5u
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Iron age men left home to join wives’ families, DNA study suggests - Study highlights role of women in Celtic Britain and challenges assumptions most societies were patrilocal.
https://www.theguardian.com/science/2025/jan/15/iron-age-men-left-home-join-wives-families-dna-study-reveals
https://redd.it/1i387un
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Calorie labels on menus and food packets encourage people to choose healthier options but only to the tune of 11 calories – the same as a single Pringle crisp. That is the finding of a study into how effective menu listings are at prompting consumers to select less calorific food.
https://www.theguardian.com/society/2025/jan/17/calorie-labels-encourage-people-eat-less-only-single-crisp-study
https://redd.it/1i358n7
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Wearable Devices Can Detect and Predict Inflammatory Bowel Disease Flare-Ups. Circadian patterns of heart rate variability, along with heart rate, oxygenation, and daily activity, all measured by the wearable devices, were significantly altered when inflammation or symptoms were present
https://www.mountsinai.org/about/newsroom/2025/mount-sinai-study-finds-wearable-devices-can-detect-and-predict-inflammatory-bowel-disease-flare-ups
https://redd.it/1i2vydg
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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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Scientists have found that fluorescent laser imaging can return 1200-year-old tattoos—in this case, etched into the mummified skin of ancient Peruvian people—to their original, highly intricate glory.
https://www.pnas.org/doi/10.1073/pnas.2421517122
https://redd.it/1i3doge
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A study of British motherhood influencers found children featured in 75% of posts, with 46% being sponsored. Personal data was revealed in 37% of posts, & strategic rather than accidental, raising concerns about children’s privacy.
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0314472
https://redd.it/1i39slt
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Strict vegetarian diets during pregnancy are associated with an increased risk of small-for-gestational-age infants and lower birth weights.
https://www.sciencedirect.com/science/article/pii/S2589936824000707
https://redd.it/1i35kpg
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A nanoparticle-based wireless deep brain stimulation system that reverses Parkinson’s disease
https://www.science.org/doi/10.1126/sciadv.ado4927
https://redd.it/1i332o6
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Certain types of cancer are on the rise among younger adults and women. This increasing trend in women is driven by breast cancer and thyroid cancer. Those younger than 65 are seeing a rise in cancer incidence. Overall, cancer mortality has decreased, with a shift in frequency from men to women.
https://www.theguardian.com/society/2025/jan/16/cancer-young-women-adults
https://redd.it/1i2zz9p
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