Mathematical models suggest high rates of cannibalism in a population can reduce its growth and increase extinction risk, making it a pretty bad idea all round.

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New modelling strongly suggests the first smallpox epidemic among Indigenous Australians originated from the British outpost in Sydney and might have killed as many as 220,000 Aboriginal people Fossil reveals the earliest evidence of “right-handedness” in the animal kingdom A recent rat study found that when mothers consumed morphine infused water in adolescence, it had effects on their offspring. Specifically, the offspring were more likely to exhibit anxiety-like behaviors and have specific epigenetic expressions related to poor neuronal plasticity. Study found evidence of partisan behavior in children aged five to nine - they frequently endorsed their own group’s claims even when evidence suggested otherwise. However, if you allow them to respond in private or give them a reason to care about accuracy, the partisanship effect disappears. Spite, a grudge, even fear of hell; the feelings clinicians are trained to treat as danger sometimes hold a suicidal person to life. A new study suggests having a champion for solar power in the house is key to installing the panels. Understanding these family dynamics could help the planet by improving on the 8% adoption rate of residential solar in the U.S., researchers say. Researchers built a robot fish to study how fish may have first evolved to walk on land A diverse toy environment is linked to better infant communication skills. Study found a high number of diverse toys in the home is associated with advanced interaction abilities and early language development in infants. Dendritic morphology and synaptic nonlinearities enhance functional complexity in human cortical neurons Earth science data shows that low clouds response to El niño Southern Oscillation (ENSO) varies based on region Urban trees aren’t just nice, scientists say — they’re mandatory | Rethinking urban forests as essential infrastructure for resilience, equity, and biodiversity in the current climate emergency Opposing Hemispheric Responses of Eastern Pacific Marine Low Clouds to ENSO An analysis of survey data covering the last five U.S. presidential election years found that ideological differences between races have decreased sharply, while differences by education have grown substantially. Less educated Americans now tend to be more conservative. Contrary to pro-Brexit rhetoric, Brexit had an adverse impact on the quality of the National Health Service (NHS) – By inducing a shortage of skilled nurses (from the EU), the NHS subsequently had higher patient mortality. Self-reported perception of statistical literacy: Evidence from a National Survey of U.S. Adults Adult men who consume pornography report worse sexual function and lower overall satisfaction in their intimate lives when compared to women who view similar material. Long-term exposure to air pollution linked to increased risk of Parkinson’s disease. Research found that for each 15 μg/m³ of PM10, the relative risk of Parkinson’s disease increased by 18%. Sniffing dark chocolate during resistance training decreased feelings of hunger, desire and intention to eat, and left trainees feeling fuller, furthermore participants were able to add more repetitions to their sets. While sniffing milk chocolate made the experience more pleasant Scientists develop an improved reporter system to screen new antibiotics targeting RNA synthesis in gram-negative bacteria, accelerating the search for drugs against multidrug-resistant pathogens like Pseudomonas aeruginosa New research from green chemical engineering on 'Core-Shell' Coagulant Removes Pesticides and Fertilizer Pollution from Farm Wastewater in One Step Contextualizing the Dead Donor Rule in an Era of Voluntary Euthanasia Bumblebees’ orofacial reactions to tastes provide evidence for affective evaluation Tinnitus common among football players, linked to history of head injury Neurobiologists Improve Symptoms of Huntington’s Disease with Targeted Brain Stimulation in Mice: « International team identifies disrupted neural circuits behind the disorder, then applies cutting-edge technique to restore more normal brain activity and improve movement. » Geoengineering could blunt El Niño’s fury | Simulations suggest that marine cloud brightening could weaken the climate pattern’s extremes Parental Holocaust trauma linked to double the risk of schizophrenia in offspring. This risk remained highly pronounced and statistically robust even after the researchers adjusted for sociodemographic factors, birth weight, and the mother’s own history of psychiatric hospitalization Exposure to local hate crimes linked to mail-in voting preference. Research suggests that utilizing absentee options might offer a way to participate in elections while avoiding potential intimidation or violence in public spaces. Astronomers discover 31 of the earliest known quasars, offering a new look at the universe's first supermassive black holes A common culture of cave dwellers. Fossils, stone tools and seashells in Turkey show that Neanderthals and the Homo sapiens who moved in later had the same hunting strategies and symbolic traditions even without overlapping at the site, suggesting they may have shared information. Study Finds NFL Players Four Times More Likely to Die Due to Neurodegenerative Disease A shoebox-sized satellite could expose hidden nuclear weapons in space | Neutrons streaming from a bomb could reveal its presence from 4 kilometers away Why Aussies are having fewer kids: Exhaustion, trauma and harsh realities of parenting are driving more families to think twice about having another child. Decisions about having another child often come down to whether they can cope physically, emotionally and mentally with doing it all again. Fathers whose first child is a girl tend to develop more equal views on gender roles and support policies that promote women’s rights. The study from Japan suggests this shift happens even in culturally conservative countries where gender inequality remains widespread. Some Dark Triad personality traits help the body handle acute stress better, new study finds Painless Swab Detects Oral Cancers in an Hour, With Over 95% Accuracy | The quantitative Malignancy Index Diagnostic System (qMIDS), involves using a brush to swab the suspect lesion, and then analyzing it for signs of mRNA expression from four specific genes linked to oral cancer. Babies’ brains recognize music from as young as three months of age, while spontaneous movements to music emerge by their first birthday and their ability to match movements to it develops later Women who have experienced violence suffer more severe menopausal symptoms and may reach the menopause up to 20 months earlier than those without such a history. The risk of osteoporosis and fractures rises, as well as memory problems and difficulties with attention in cognitive health. LSD could improve motor learning the next day in healthy people High-Dose Vitamin D3 Supplementation During Pregnancy and Test Based Cognitive Performance at Age 10 Years Obesity rates in the U.S. climbed to about 40% of adults and 20% of youth in 2023. More than 20 years of data show a 37% increase in obesity, 23% in abdominal obesity, and over two-fold increase in severe obesity among both adults and youth. Following an anti-inflammatory diet rich in fruits, vegetables, and nuts is linked to a 29% lower risk of dementia, even among people who already have high biological and genetic risk markers for Alzheimer's disease, a 15-year study finds. Early sexual initiation accelerates physical aging, large genetic study finds. Individuals genetically predisposed to early sexual initiation are more likely to experience a shorter lifespan and increased physical frailty. Emerging evidence links tire pollution to Alzheimer’s risk: A chemical called 6PPD-quinone (6PPD-Q), which forms when shaved-off tire particles come into contact with ozone, might interfere with inner workings of the brain cells, leading to Alzheimer's disease.

/u/TribalSci · 2026-07-09 · via Reddit Science

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