A new study shows that dogs can detect COVID-19 in sweat with 67–87% accuracy and up to 92% reliability. They work best within specific viral levels.
https://doi.org/10.1371/journal.pone.0317213
https://redd.it/1i5jij8
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Scientists successfully control when genetically engineered non-toxic bacteria, after intravenously injected, invades cancer cells and delivers cancer-fighting drugs directly into tumors in mouse models, sparing healthy tissue, and delivering more therapy as the bacteria grow in the tumors.
https://www.umass.edu/news/article/research-using-non-toxic-bacteria-fight-high-mortality-cancers-prepares-clinical
https://redd.it/1i59qmx
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Evidence of primordial black holes may be hiding in planets, or even everyday objects here on Earth: « Small black holes born in early universe may have left behind hollow planetoids and microscopic tunnels. »
https://www.buffalo.edu/news/releases/2024/12/primordial-black-holes-may-be-hiding-in-planets-or-even-everyday-objects-here-on-Earth.html
https://redd.it/1i572j4
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New research shows increasingly thawing permafrost soils not only pose a global threat due to the CO2 and methane gas stored in them, but also have far-reaching implications for the approximately three million Arctic residents who live on permafrost soils.
https://www.bluewin.ch/en/news/thawing-soils-threaten-millions-of-people-2525174.html
https://redd.it/1i53hy6
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Compared to a meat-eating diet, plasma lipaemic and glycaemic measures as a collective were more favourable among vegans, whereas among lacto-ovo vegetarians and semi-vegetarians only some measures were favourable, cross-sectional study finds
https://lipidworld.biomedcentral.com/articles/10.1186/s12944-024-02340-5
https://redd.it/1i4zklt
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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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Ecologists find significant ecological impact of hybrid grouper: The TGGG is a formidable predator feeding on various prey species not typically consumed by native species—including fish, crustaceans, and cephalopods, which has the potential to reshape coastal ecosystems
https://www.eurekalert.org/news-releases/1070563
https://redd.it/1i5d136
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Textbooks need to be rewritten: RNA, not DNA, is the main cause of acute sunburn - Textbooks say that sunburn damages DNA, leading to cell death and inflammation. But study found in mice and human skin cells that this is a result of damage to RNA, not DNA, that causes the acute effects of sunburn.
https://news.ku.dk/all_news/2025/01/textbooks-need-to-be-rewritten-rna-not-dna-is-the-main-cause-of-acute-sunburn/
https://redd.it/1i59jur
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People in California census tracts with higher incarceration rates turned out to vote at higher rates in 2014, when Prop 47 was on the ballot (which reduced the state's prison population)
https://onlinelibrary.wiley.com/doi/full/10.1111/pops.13053
https://redd.it/1i53d05
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Palaeontologists have described a new genus and species of Carcharodontosauridae, Tameryraptor markgrafi, based on material from the Bahariya Formation in Egypt.
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0311096
https://redd.it/1i4zoyw
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Researchers find compromised indoor air in homes following Marshall Fire | First-of-its-kind study finds gases harmful to human health lingered for weeks following the fire
https://cires.colorado.edu/news/cires-researchers-find-compromised-indoor-air-home-following-marshall-fire
https://redd.it/1i4z8zf
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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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