Using scented products indoors changes the chemistry of the air, producing as much air pollution as car exhaust does outside, according to a new study. Researchers say that breathing in these nanosized particles could have serious health implications.
https://newatlas.com/environment/indoor-air-pollution-scented-terpenes/
https://redd.it/1irfr85
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Reintroducing wolves to Scottish Highlands could help address climate emergency | Control of red deer by wolves could lead to an expansion of native woodland that would take up - or sequester - one million tonnes of CO2 each year - equivalent to approximately 5% of the carbon removal
https://www.eurekalert.org/news-releases/1073604
https://redd.it/1ircfm9
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Scientists Have Found a New Way That Materials Can Form 'Memories' About What's Happened to Them in The Past
https://www.sciencealert.com/materials-can-form-memories-in-new-and-unexpected-ways-study-shows?utm_source=reddit_post
https://redd.it/1ir2rwd
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Birds have developed complex brains independently from mammals - Birds have developed sophisticated neural circuits through their own mechanisms, without following the same path as mammals. This changes how we understand brain evolution.
https://www.eurekalert.org/news-releases/1073454
https://redd.it/1ir03yz
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Neurons that tell you to stop eating could unlock obesity treatments | Researchers have identified the specific neurons in mice brains that tell them they've eaten enough. This discovery could play a big role in the future of weight loss treatments for humans.
https://newatlas.com/biology/neurons-stop-eating-obesity-treatments/
https://redd.it/1iqvs7b
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Protected habitats aren’t enough to save endangered mammals, MSU researchers find - Study found that tropical forests near more people have fewer mammal species. It suggests that some species do not survive even when forests are protected, such as in national parks.
https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3002976
https://redd.it/1iqtoxl
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Study discovered that people consistently underestimate the extent of public support for diversity and inclusion in the US. This misperception can negatively impact inclusive behaviors, but may be corrected by informing people about the actual level of public support for diversity.
https://www.psypost.org/study-americans-vastly-underestimate-public-support-for-diversity-and-inclusion/
https://redd.it/1iqs8v3
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Men who thought their partner was more likely to spend time with other men produced ejaculates with higher sperm concentration during intercourse. This suggests that men’s bodies could be biologically (but unconsciously) tuned to respond to perceived competition.
https://www.psypost.org/scientists-investigating-human-sperm-competition-stumble-upon-an-intriguing-paradox/
https://redd.it/1iqpxpl
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Marine mystery solved: How anemonefish avoid stings from their sea anemone hosts | Research finds sea anemones have evolved to maintain low levels of sialic acid in their skin mucus to avoid triggering the release of nematocysts (stinging cells) in their sea anemone hosts
https://www.eurekalert.org/news-releases/1073724
https://redd.it/1iqkht7
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Importance of the clitoris to women's sex lives has been underappreciated. Researchers discovered size of a woman's clitoris might be key to sexual function after pelvic surgery. Postoperative sexual function after surgery was associated with clitoral size, position, and shape.
https://www.scimex.org/newsfeed/the-size-of-your-lady-bean-may-be-key-to-sexual-function-after-surgery
https://redd.it/1iqda23
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Fluoxetine (SSRI) found to combat infections and sepsis in mice
https://www.genengnews.com/topics/infectious-diseases/immune-system-regulated-by-fluoxetine-to-fight-infection-and-spesis-in-mice/
https://redd.it/1iq9fd3
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Diabetes, heart failure, and kidney disease medication first of its kind to significantly reduce both heart attacks and strokes | Sotagliflozin medication had 23 percent reduction in the rate of heart attacks, strokes compared to placebo
https://www.eurekalert.org/news-releases/1073500
https://redd.it/1iq6z6i
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Twin study finds that ADHD and emotional problems share genetic basis - Around 34% of children and adolescents with ADHD experience anxiety, and this percentage increases to 50% in adulthood.
https://www.psypost.org/adhd-and-emotional-problems-share-genetic-basis/
https://redd.it/1iq0vvg
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Dutch students judge kids with gay dads based on their personality and behavior, not their parents' sexuality, study finds
https://doi.org/10.1080/27703371.2025.2463596
https://redd.it/1ipz8hg
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Largest celestial object of its kind discovered in the distant universe
https://edition.cnn.com/2025/02/13/science/distant-giant-quasar-jet/index.html
https://redd.it/1ipvydz
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Study finds highly concerning levels of air pollution in Pacific Island urban areas, with acceptable PM2.5 and PM10 particle limits exceeded in both Fiji and the Solomon Islands
https://www.unsw.edu.au/newsroom/news/2025/02/air-pollution-significant-health-concern-pacific?utm_source=reddit&utm_medium=social
https://redd.it/1irciwj
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Americans more tolerant of anti-democratic actions when their party controls the White House - The research indicates that both Democrats and Republicans show a tendency to support behaviors that erode democratic principles when their own party controls the presidency.
https://academic.oup.com/poq/article/88/3/1044/7833183?login=false
https://redd.it/1ir6aiv
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US government and chemical makers have claimed up to 20% of wildfire suppressants’ contents are “trade secrets” and exempt from public disclosure. New study found they are a major source of environmental pollution, containing toxic heavy metal levels up to 3,000 times above drinking water limits.
https://www.theguardian.com/us-news/2025/feb/13/us-wildfire-suppressants-toxic-study
https://redd.it/1ir20zt
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Per capita food waste increases as the age of the household head increases, attributed to older households' purchase of more fruits and vegetables. The largest life cycle greenhouse gases from food waste was 90.1 kg-CO2eq for those in their 60s while the smallest was 39.2 kg-CO2eq for 20s.
https://www.nature.com/articles/s41467-024-51553-w
https://redd.it/1iqppls
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Trees might need our help to survive climate change, study finds - Tree ranges are shrinking in response to climate change but failing to expand into cooler, wetter regions. This suggests that forests are struggling to regenerate fast enough to keep up with rising temperatures, wildfires and disease
https://www.nature.com/articles/s41558-024-02235-4
https://redd.it/1iqufr4
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Using portable EEGs, researchers found that when groups of people watch the same health promotion videos, their brain activity syncs up, indicating that the message has gone beyond being seen and heard | This approach could lead to ‘neural’ focus groups and more effective health campaigns.
https://newatlas.com/learning-memory/portable-eeg-group-marketing-health-promotion/
https://redd.it/1iqqxxh
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Enhancing the ocean's alkalinity to make it absorb more CO2 may lead to proliferation of calcifying organisms, which will consume that alkalinity and limit the atmospheric CO2 removal potential.
https://www.nature.com/articles/s41561-025-01644-0
https://redd.it/1iqnz6g
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Using carbon dioxide removal (CDR) for easily decarbonised sectors may make net zero unachievable. Nearly all 1.5°C pathways require CDR for hard-to-abate emissions, so misallocating it risks failure.
https://www.nature.com/articles/s41558-025-02251-y
https://redd.it/1iqlk8a
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Stand up for Science Rally 2025
https://herpescureadvocacy.com/2025/02/15/stand-up-for-science-rally-2025/
https://redd.it/1iqih2a
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The U.S. Is Dustier — It’s Costing $154 Billion A Year. Research puts the economic impact of dust events on par with some of the most costly and destructive natural disasters, like hurricanes and other storms, and points to the importance of dust mitigation efforts
https://www.utep.edu/newsfeed/2025/february/dust-storms-and-wind-erosion-cause-154-billion-in-damages-annually-utep-study-shows.html
https://redd.it/1iqc0o6
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A key psychological factor helps explain how planetarium films boost interest in science | Researchers discovered that inducing awe, specifically through immersive planetarium films, is highly effective at sparking and growing people’s interest in scientific subjects.
https://www.psypost.org/a-key-psychological-factor-helps-explain-how-planetarium-films-boost-interest-in-science/
https://redd.it/1iq8w8j
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Carbon capture more costly than switching to renewables, researchers find - By 2050, most countries could meet energy needs with wind, solar, geothermal, and hydropower, cutting costs, improving air quality, and slowing climate change—at a fraction of the cost of carbon capture technologies.
https://pubs.acs.org/doi/10.1021/acs.est.4c10686
https://redd.it/1iq5b4k
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Study finds that ChatGPT, one of the world’s most popular conversational AI systems, tends to lean toward left-wing political views. The system not only produces more left-leaning text and images but also often refuses to generate content that presents conservative perspectives.
https://www.psypost.org/scientists-reveal-chatgpts-left-wing-bias-and-how-to-jailbreak-it/
https://redd.it/1iq0jic
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More than 9,000 nurses surveyed across 35 countries share mental health challenges coming out of the COVID-19 pandemic
https://www.nyu.edu/about/news-publications/news/2025/february/nurses-worldwide.html
https://redd.it/1ipyibo
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A new study finds that people who see solitude negatively feel lonelier - while those with positive views feel less lonely. Media portrayals may shape this effect.
https://www.nature.com/articles/s41467-025-56764-3
https://redd.it/1ipv3a6
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