Researchers discovered that the spotty, or paketi, a fish capable of changing from female to male during adulthood, does so in response to a shift in social hierarchy when a dominant spotty is removed from the group
https://www.otago.ac.nz/news/newsroom/sex-changing-fish-quick-to-assert-dominance
https://redd.it/1lm25bt
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Signaling from retinoic acid appears to be key to getting mice to regrow ear damage | Reactivation of mammalian regeneration by turning on an evolutionarily disabled genetic switch
https://arstechnica.com/science/2025/06/changing-one-gene-can-restore-some-tissue-regeneration-to-mice/
https://redd.it/1llti9n
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Fructose hijacks immune cells to set them on inflammatory "attack mode" | In this "trigger happy" state, certain immune cells are less discerning, resulting in inflammation, more severe infections and even new food intolerances or sensitivities.
https://newatlas.com/fructose-immune-cells/
https://redd.it/1llqqhd
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A psychopath's brain is strikingly different: Psychopathic individuals were found to have a smaller total brain volume, about 1.45% less than non-psychopathic individuals. This was especially so in the cortex and brain areas that are important for social behavior, emotion, and self-control.
https://newatlas.com/mental-health/psychopathy-brain-structure-changes/
https://redd.it/1lls63e
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A vaccine against respiratory syncytial virus (RSV) is associated with a 29% reduction in dementia risk in the following 18 months. It contains the same adjuvant as the shingles vaccine which reduces the risk of dementia. The adjuvant stimulates immune cells that may protect the brain.
https://www.ox.ac.uk/news/2025-06-25-how-do-vaccines-reduce-risk-dementia
https://redd.it/1llqjd8
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US state abortion bans increase costs and delay abortion care: Second-trimester abortions increased from 8% to 17%. Travel costs went up from $179 to $372. 81% of people who contacted a clinic or call center traveled out of state for an abortion. Just 3% carried their unwanted pregnancy to term.
https://www.ucsf.edu/news/2025/06/430261/how-state-bans-increase-costs-and-delay-abortion-care
https://redd.it/1llk87s
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New IQ research shows why smarter people make better decisions. People with higher IQ make more realistic predictions, which supports better decision-making and lead to improved life outcomes. People with low IQ make forecasting errors that are more than twice as inaccurate as those with high IQ.
https://www.bath.ac.uk/announcements/new-iq-research-shows-why-smarter-people-make-better-decisions/
https://redd.it/1lla0wu
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Support for war is associated with narcissistic personality traits
https://www.psypost.org/support-for-war-is-associated-with-narcissistic-personality-traits/
https://redd.it/1ll7g21
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Overfishing has caused cod to halve in body size since 1990s, study finds
https://www.theguardian.com/environment/2025/jun/25/cod-shrinking-size-overfishing-study
https://redd.it/1ll4jui
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Gold from e-waste opens a rich vein for miners and the environment | Researchers have developed a safer and more sustainable approach to extract and recover gold from ore and electronic waste which promises to reduce levels of toxic waste from mining.
https://www.scimex.org/newsfeed/jackpot-gold-from-e-waste-opens-a-rich-vein-for-miners-and-the-environment
https://redd.it/1lkykeq
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Gut bacteria are associated with obsessive-compulsive disorder (OCD). Mendelian randomization shows these bacteria are causal. That makes dietary interventions plausible as a treatment for OCD.
https://www.psychologytoday.com/au/blog/mood-by-microbe/202506/do-gut-bacteria-contribute-to-ocd
https://redd.it/1lkyc5r
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The discovery of an unknown organelle inside our cells could open the door to new treatments for devastating inherited diseases
https://e3.eurekalert.org/news-releases/1088244
https://redd.it/1lktyau
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Maritime shipping accounts for nearly 3% of global greenhouse gas emissions. New study shows ships can cut carbon output in half by dissolving limestone in seawater, locking CO₂ away for millennia—with minimal impact on ocean chemistry.
https://today.usc.edu/usc-technology-may-reduce-shipping-emissions-by-half/
https://redd.it/1lkofkw
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One in five U.S. food and drink products contain synthetic dyes, with highest rates in confectionery and children's products, new study finds. Ferrero, Mars, and PepsiCo among top offenders, raising health concerns over widespread exposure.
https://www.jandonline.org/article/S2212-2672(25)00166-2/abstract
https://redd.it/1lkmefc
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Hope is the key to a meaningful life, according to new research: « University of Missouri researchers demonstrate that boosting hope could be a game-changer for mental health and resilience. »
https://showme.missouri.edu/2025/hope-is-the-key-to-a-meaningful-life-according-to-new-research/
https://redd.it/1lkg0de
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Disposable E-Cigarettes may contain toxic metals causing health risks to their users
https://pubs.acs.org/doi/10.1021/acscentsci.5c00641
https://redd.it/1lm0uvz
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TikTok and similar platforms linked to body dissatisfaction and eating disorder symptoms
https://www.psypost.org/tiktok-and-similar-platforms-linked-to-body-dissatisfaction-and-eating-disorder-symptoms/
https://redd.it/1llumwr
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New Research Verifies Northern Canada Hosts Earth’s Oldest Rocks
https://www.uottawa.ca/research-innovation/news-all/new-study-confirms-oldest-rocks-earth-are-northern-canada
https://redd.it/1llrqor
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Insect-based foods are unlikely to reduce meat consumption significantly due to low consumer acceptance
https://www.theguardian.com/environment/2025/jun/25/eating-insects-meat-planet
https://redd.it/1lloo1m
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100-Million-Year-Old Rock Reveals 40 Never-Before-Seen Squid Species
https://www.sciencealert.com/100-million-year-old-rock-reveals-40-never-before-seen-squid-species?utm_source=reddit_post
https://redd.it/1llmo1d
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A vegan diet drastically lowers the body’s acid load, a key driver of diabetes and chronic inflammation, outperforming the Mediterranean diet and promoting weight loss, improved insulin sensitivity and lower blood pressure.
https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1634215/full
https://redd.it/1llatp4
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COVID-19 pandemic significantly eroded American public’s trust in US public health institutions like the CDC, shows longitudinal assessment from 2020-2024
https://journals.plos.org/globalpublichealth/article?id=10.1371/journal.pgph.0004747
https://redd.it/1ll7qec
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Global warming is triggering earthquakes in the Alps | Study provides first solid link between climate change and earthquake hazard
https://www.science.org/content/article/global-warming-triggering-earthquakes-alps
https://redd.it/1ll2zmj
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Children in Denmark with immigrant parents tend to have worse economic, education and crime outcomes. However, when compared to children with the same parental socioeconomic characteristics, the immigrant children perform the same or better than native children.
https://www.aeaweb.org/articles?id=10.1257/app.20230389
https://redd.it/1ll209o
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Body Fat Percentage Beats BMI in Predicting 15-Year Mortality Risk Among U.S. Adults Ages 20 to 49
https://doi.org/10.1370/afm.240330
https://redd.it/1ll0g7c
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People use 3 main strategies to end an intimate relationship: 86% “soften the blow” by explaining breakup reasons, taking responsibility and convincing partner separation is beneficial. 24% “take a break”, and 16% “avoid confrontation” by gradually fading away or disappearing without explanation.
https://www.psypost.org/how-people-end-romantic-relationships-new-study-pinpoints-three-common-break-up-strategies/
https://redd.it/1lkxgq2
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Controversial: We're a step closer to two men being able to have genetic children of their own after the creation of fertile mice by putting two sperm cells in an empty egg
https://www.newscientist.com/article/2485396-mice-with-two-fathers-have-their-own-offspring-for-the-first-time/
https://redd.it/1lku5su
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Study found food packaging is actually a direct source of the micro- and nanoplastics measured in food. Plastic contamination may occur when you’re unwrapping food, steeping tea bag in hot water, or opening cartons. Glass bottles with a plastic-coated metal closure may also shed microplastics.
https://edition.cnn.com/2025/06/24/health/microplastics-food-packaging-study-wellness
https://redd.it/1lkpn5i
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Anxious minds don’t always fixate on danger, according to new study | Individuals with higher anxiety are thought to have difficulty disengaging attention from threatening stimuli, potentially fueling hypervigilance and a sense that danger is always present.
https://www.psypost.org/anxious-minds-dont-always-fixate-on-danger-according-to-new-study/
https://redd.it/1lkgkdk
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Scientists who share failures on social media are seen as more honest, open, and relatable, boosting public trust and support for science—even without harming perceptions of competence according to U-Michigan research.
https://news.umich.edu/when-scientists-share-their-failures-the-public-trusts-them-more/
https://redd.it/1lka6nb
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