India doubled its tiger population in a little over a decade by protecting the big cats from poaching and habitat loss, ensuring they have enough prey, reducing human-wildlife conflict, and increasing communities’ living standards near tiger areas
https://apnews.com/article/tigers-india-population-figures-study-7c09fec9b973c91dd659cd14d9858f13
https://redd.it/1iemzp2
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Polar Bear Population Decline Due to "Lack of Food" | Sea ice loss is starving polar bears in Western Hudson Bay, reducing their size, cub survival and overall population.
https://www.technologynetworks.com/tn/news/polar-bear-population-decline-due-to-lack-of-food-395654
https://redd.it/1iehuyd
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"Kick and kill": FDA-approved drug could be hiding to permanently eliminate HIV | A new study, shows that the compound EBC-46 can reactivate dormant virus cells, allowing them to be targeted by immunotherapy.
https://newatlas.com/infectious-diseases/hiv-cure-kick-kill-fda-approved-drug/
https://redd.it/1iedu8q
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Homosexuality is estimated to be about 30% heritable, with genetic factors potentially increasing mating success in heterosexual males. Outside of humans, exclusively homosexual behavior is primarily observed in domestic rams, though macaques may exhibit similar sexual orientations to humans.
https://kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F%2Fauthors.elsevier.com%2Fc%2F1kWEacQbJBLQ-/1/01020194ad2d8596-ea8f3fd9-551e-4bf1-97d0-20b627f90ef1-000000/vm3wYqKROujmEHrTCNdTCZZXHuY=411
https://redd.it/1iecoaw
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Research shows that a diet low in vegetables and fruits and high in red meat, fast food, and sugar-sweetened soft drinks was associated with accelerated biological aging even in young adulthood.
https://www.jyu.fi/en/news/suboptimal-dietary-patterns-may-accelerate-biological-aging-already-in-young-adulthood
https://redd.it/1ieamqk
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For the first time, DNA evidence has confirmed killer whales in Australia hunted a white shark for its liver, based on DNA analysis from the bite wounds of a large white shark washed ashore near Portland in Victoria in 2023
https://www.eurekalert.org/news-releases/1072258
https://redd.it/1ie4srj
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Canadian human-study research establishes gut biome restoration diet – new study
https://theconversation.com/why-we-should-all-try-to-eat-like-people-in-rural-papua-new-guinea-new-study-248064
https://redd.it/1ie24pc
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Grey matter changes in the brains of fathers postpartum.
https://jamanetwork.com/journals/jamapsychiatry/fullarticle/2825647?guestAccessKey=760be7ec-c00f-4a7c-9396-ced02a9de3ba&utm_source=silverchair&utm_medium=email&utm_campaign=article_alert-jamapsychiatry&utm_content=mostreadwidget&utm_term=012925&adv=
https://redd.it/1ie1et4
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Study found that employees who psychologically disengaged from work on their vacations saw the most improvement in their well-being. Ideally, that means not answering emails, taking work calls or even thinking about the office.
https://news.uga.edu/vacations-are-good-for-employees/
https://redd.it/1idzjbm
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Cannabidiol (CBD) is a natural component of the cannabis plant and has no intoxicating effects. Scientists provide the first evidence that CBD could help with alcohol problems. CBD reduces alcohol cravings by lowering brain activity in addiction-related areas.
https://www.technologynetworks.com/tn/news/cbd-may-reduce-cravings-for-people-suffering-with-alcoholism-395584
https://redd.it/1idwuld
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Scientists develop patch that can repair damaged hearts in healthy rhesus macaques | Cells taken from blood and ‘reprogrammed’ into heart muscle cells may help patients with heart failure
https://www.theguardian.com/science/2025/jan/29/scientists-develop-patch-repair-damage-heart-failure
https://redd.it/1idtja5
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An afternoon nap facilitates creative problem solving, finds new study. Sleep improves the ability to solve target problems that could not be initially solved.
https://onlinelibrary.wiley.com/doi/10.1111/jsr.14419
https://redd.it/1idqr9b
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Melting ice in the Greater Yellowstone Ecosystem of the Rocky Mountains exposes an ancient, mature stand of whitebark pine from the Holocene, 180 m in elevation above the modern treeline. Findings suggest it is possible the treeline may expand upslope with climate change.
https://www.pnas.org/doi/10.1073/pnas.2412162121
https://redd.it/1idod5f
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Scientists develop patch that can repair damaged hearts | Cells taken from blood and ‘reprogrammed’ into heart muscle cells may help patients with heart failure
https://www.theguardian.com/science/2025/jan/29/scientists-develop-patch-repair-damage-heart-failure
https://redd.it/1idly9s
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A new study has found small amounts of liquid ketamine administered in a clinical setting can significantly reduce symptoms of post-traumatic stress disorder, with fewer side effects.
https://www.usc.edu.au/about/unisc-news/news-archive/2025/january/low-doses-of-oral-ketamine-can-treat-ptsd-unisc-study
https://redd.it/1idjwbh
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Rising temperatures linked to increased risk of depression, study finds. For every 1°C increase in average annual temperature due to climate change, the odds of having at least moderate depressive symptoms increased by 13%. These increases were 14% for adults between 19 and 40 years of age.
https://www.psypost.org/rising-temperatures-linked-to-increased-risk-of-depression-study-finds/
https://redd.it/1iekuyc
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Gavi, a vaccine program led by the Gates Foundation, WHO, UNICEF and World Bank, has provided over $16 billion in funding for vaccination in low-income countries since 1999. The aid has been uniquely effective, saving around 1.5 million lives at a cost of $9,000 per life saved.
https://www.aeaweb.org/articles?id=10.1257/pol.20230036
https://redd.it/1ieh4vp
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Microplastics in placentas linked to premature births, study suggests | Tiny plastic pollution more than 50% higher in placentas from preterm births than in those from full-term births
https://www.theguardian.com/environment/2025/jan/30/microplastics-placentas-link-premature-births-study
https://redd.it/1ieeovp
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Younger men tend to partner with women about 3 years younger, but as they aged, their partners became younger, with some older men in relationships with women a decade younger. Conversely, younger women tend to partner with men a few years older, but by age 60, women seek men of similar age.
https://www.psypost.org/romantic-age-gaps-evolve-over-time-new-psychology-research-shows/
https://redd.it/1iecxpr
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‘A neural fossil’: human ears try to move when listening - Researchers found that muscles move to orient ears toward sound source in vestigial reaction. It is believed that our ancestors lost their ability to move their ears about 25m years ago but the neural circuits still seem to be present.
https://www.theguardian.com/science/2025/jan/31/neural-fossil-human-ears-move-when-listening-scientists-say
https://redd.it/1ieajsh
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Currently, zero percent of the world’s thermoset materials are recycled (car tires, hip joints, bowling balls, etc) – they’re either incinerated or thrown in landfills. New plastic is made from a bio-sourced material that has crosslinked thermosets’ durability but can be easily recycled, degraded.
https://news.cornell.edu/stories/2025/01/durable-plastic-gets-sustainability-makeover
https://redd.it/1ie7f30
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Jupiter’s moon Europa is the subject of much speculation about extraterrestrial life, which could exist in the ocean buried beneath the body’s icy surface. Now researchers suggest that a small metallic core could lie at the centre of this moon.
https://www.nature.com/articles/s41550-024-02469-4
https://redd.it/1ie1z4b
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When a movie is led by female actors, reviewers dial up the sexism. An AI-driven analysis of 17,000 professional film reviews reveals that movies with female-dominated casts receive up to 149% more hostile sexism and 44% more benevolent sexism in their reviews compared to male-dominated films.
https://www.scimex.org/newsfeed/when-a-movie-is-led-by-female-actors-reviewers-dial-up-the-sexism
https://redd.it/1ie1vl7
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Scratching an itch can trigger more inflammation — but may also combat harmful bacteria
https://www.sciencenews.org/article/scratching-itch-good-bad
https://redd.it/1idwq8r
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Being Social May Delay Dementia Onset by Five Years. Findings suggest that more frequent social activity points to a 38% reduction in dementia risk and a 21% reduction in mild cognitive impairment risk, compared to the least socially active.
https://www.rush.edu/news/being-social-may-delay-dementia-onset-five-years
https://redd.it/1idu70c
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Man eating 6-9 pounds of butter and cheese a day develops ‘cholesterol hands’ while on carnivore diet: JAMA
https://www.fox13news.com/news/man-eating-6-9-pounds-butter-cheese-day-develops-cholesterol-hands-while-carnivore-diet-jama
https://redd.it/1iduh8b
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Science quickly needs to figure out a different (and better) way to publish findings. Public health is at risk.
https://kffhealthnews.org/news/article/cdc-trump-mmwr-bird-flu-studies-blocked-meddling/
https://redd.it/1idpdru
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Politically connected corporations received more exemptions from US tariffs on Chinese imports, study finds | Exemption grant process functioned as a “spoils system” rewarding political supporters and punishing opponents
https://www.eurekalert.org/news-releases/1072118
https://redd.it/1idms39
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Newly discovered fungus makes zombies out of cave spiders in Ireland - their behavior mirrored the behaviour of zombie ants infected by fungi of the genus Ophiocordyceps. The new fungal species has been named in honour of Sir David Attenborough.
https://www.cabi.org/news-article/new-fungal-species-named-in-honour-of-sir-david-attenborough-making-zombies-of-cave-spiders-on-the-island-of-ireland/
https://redd.it/1idkz8w
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A new study found that e-cigarette advocates (many with ties to Big Tobacco) dominate Twitter's tobacco policy discourse, amplifying anti-regulatory messages far beyond public sentiment.
https://journals.sagepub.com/doi/10.1177/20563051251314611
https://redd.it/1idg20b
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