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halfwitty.bsky.social

@halfwitty.bsky.social
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halfwitty.bsky.social @halfwitty.bsky.social · 05/10/2026
Psychedelic drugs reduce bottom-up brain activity in the network associated with self-reflection Study: www.pnas.org/doi/10.1073/... www.psypost.org/psychedelics... www.psypost.org/psychedelics...
psypost.org
Psychedelics reduce bottom-up brain activity in the default mode network
By mapping brain activity like a moving weather system, researchers found that psychedelics consistently reduce the upward flow of sensory information into higher-order brain regions, offering new bio...
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halfwitty.bsky.social @halfwitty.bsky.social · 27/09/2026
Race and ethnicity browser based on 2020 US Census data walker-data.com/maps/census-... walker-data.com/maps/census-...
walker-data.com
Race and ethnicity | 2020 Census
Explore race and ethnicity across the United States with interactive dots, hexagons and clusters from the 2020 Census. By Kyle Walker.
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halfwitty.bsky.social @halfwitty.bsky.social · 27/09/2026
Scientists Use the Human Body as a Wireless Network for Health Implants An in-body networking system for communication between wearable and implantable therapeutics based on an electronic circuit that emulates the functionality of a nervous system. www.science.org/doi/10.1126/...
science.org
An in-body networking system for communication between wearable and implantable therapeutics
Networks of bioelectronic sensors and actuators enable closed-loop therapies that connect distant, related physiological dynamics. Currently, device interactions are limited by communication methods t...
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halfwitty.bsky.social @halfwitty.bsky.social · 27/09/2026
NIH launches new PubMed tool to strengthen research replication and reproducibility From a citation in PubMed, users can use the Linked Discoveries tool to explore a “neighborhood” of publications closely related to that article, including replication studies. www.nih.gov/news-events/...
nih.gov
NIH launches new PubMed tool to strengthen research replication and reproducibility
Linked Discoveries is an experimental tool to help scientists see how individual research findings relate to the larger body of biomedical evidence.
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halfwitty.bsky.social @halfwitty.bsky.social · 25/09/2026
Our bodies create around 330 billion new cells every day through cell division. Dr. Andrew Moore captured that process in stunning detail — a feat that earned him 4th place in the 2026 @nikonusa Small World in Motion Competition. www.nikonsmallworld.com/galleries/20...
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halfwitty.bsky.social @halfwitty.bsky.social · 23/09/2026
A new site, Posters.science was created to simplify access to scientific posters presented at conferences. posters.science
posters.science
Posters.science
The best way to discover and share scientific posters.
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halfwitty.bsky.social @halfwitty.bsky.social · 21/09/2026
Study reveals that playing fast-paced action games and turn-based strategy games can enhance memory and attention. Brain scans indicate that action games lead to stronger and longer-lasting structural changes in the brain Study: www.mdpi.com/2076-3425/16... www.psypost.org/different-vi...
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halfwitty.bsky.social @halfwitty.bsky.social · 14/09/2026
Researchers Discover Record-Setting Heat-Conducting Material Metallic theta-phase tantalum nitride (θ-TaN) conducts heat nearly three times more efficiently than copper or silver, opening new pathways for cooling electronics, AI and quantum hardware www.anl.gov/article/rese...
anl.gov
Researchers discover record-setting heat-conducting material
Scientists using the upgraded Advanced Photon Source discovered a new material with a record-setting thermal conductivity.
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halfwitty.bsky.social @halfwitty.bsky.social · 13/09/2026
Study: Creatine improves muscle mass and cognitive function in older adults even without exercise Study: www.tandfonline.com/doi/full/10.... www.psypost.org/creatine-imp...
psypost.org
Creatine improves muscle mass and cognitive function in older adults even without exercise
Even without hitting the gym, older adults taking daily creatine saw increases in muscle mass and memory performance, highlighting the supplement's potential anti-aging benefits.
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halfwitty.bsky.social @halfwitty.bsky.social · 13/09/2026
Probiotic Bifidobacterium bifidum BGN4 supplementation modulates gut microbiome composition and reduces circulating zonulin, TNFα, and insulin in adults with excess adiposity: a randomized, double-blind, placebo-controlled trial - pubmed.ncbi.nlm.nih.gov/42116047/ pubmed.ncbi.nlm.nih.gov/42116047/
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halfwitty.bsky.social @halfwitty.bsky.social · 13/09/2026
Psilocybin is a compound found in some mushrooms that causes a “psychedelic” experience, amplified emotions, dissociation, altered sense of self, and mysticism. This JAMA Patient Page describes its medical and recreational use, and its potential side effects. jamanetwork.com/journals/jam...
jamanetwork.com
Patient Information: Psilocybin
This JAMA Patient Page describes the psychedelic compound psilocybin, its medical and recreational use, and its potential side effects.
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halfwitty.bsky.social @halfwitty.bsky.social · 13/09/2026
A longitudinal study reveals that playing fast-paced action games and turn-based strategy games can enhance memory and attention. Brain scans indicate that action games lead to stronger and lasting structural changes in the brain Study: www.mdpi.com/2076-3425/16... www.psypost.org/different-vi...
psypost.org
Different video game genres alter brain activity and enhance cognition in unique ways
A longitudinal study reveals that playing fast-paced action games and turn-based strategy games can enhance memory and attention. Brain scans indicate that action games lead to stronger and longer-las...
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halfwitty.bsky.social @halfwitty.bsky.social · 12/09/2026
Preprint Study shows that AI chatbots are better at changing minds than trained professionals. These results establish that frontier AI systems out-persuade expert humans in conversation, leading implications for politics. Study: www.science.org/doi/10.1126/... www.science.org/content/arti...
science.org
AI chatbots are becoming experts at changing people's minds. What's their secret?
ChatGPT and other AIs use a flood of facts, and the occasional lie, to persuade humans
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halfwitty.bsky.social @halfwitty.bsky.social · 11/09/2026
Chihuahua dogs are genetically part coyote based on a recent genomics study Study: www.nature.com/articles/s41... phys.org/news/2026-09...
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halfwitty.bsky.social @halfwitty.bsky.social · 11/09/2026
We Might Have Been Wrong About How the Immune System Ages - if you live long enough: rather than steadily declining, it may adapt to help you survive. Study: www.cell.com/cell-reports... www.medscape.com/viewarticle/...
cell.com
CD4 CTLs in supercentenarians: Signs of adaptive expansion in healthy aging
Hashimoto et al. show that CD4 CTLs expand around age 100 and form large private clones without exhaustion. These cells exhibit stepwise differentiation and cytokine plasticity, suggesting adaptive re...
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halfwitty.bsky.social @halfwitty.bsky.social · 10/09/2026
Large-Language Models as a Cognitive Virus. They ran LLMs through the formal frameworks of evolutionary biology, complex systems theory, and concluded LLMs satisfy every mathematical definition of a virus. Image credit: created with Google Gemini arxiv.org/pdf/2609.03344 arxiv.org/pdf/2609.03344
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halfwitty.bsky.social @halfwitty.bsky.social · 10/09/2026
UCLA researchers have developed a way to mass-produce cancer-fighting T cells from donated cord blood stem cells, engineered to target a protein found in many solid tumors instead of custom treatments for each patient. Study: www.cell.com/cell-reports... newsroom.ucla.edu/releases/sci...
cell.com
Scalable generation of hematopoietic stem cell-engineered off-the-shelf mono-specific cytotoxic T cells targeting solid tumors
Zhu et al. develop a scalable, feeder-free platform to generate allogeneic NY-ESO-1-specific T (AlloESO-T) cells from human HSPCs. These mono-specific, cytotoxic T cells combine TCR-driven antigen spe...
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halfwitty.bsky.social @halfwitty.bsky.social · 09/09/2026
Study: Psilocybin prevents chemotherapy-related nerve injury and associated symptoms in preclinical models Planned Phase 2 clinical trial of psilocybin to prevent chemotherapy-induced peripheral neuropathy Study: www.science.org/doi/10.1126/... www.mdanderson.org/newsroom/res...
science.org
Psilocybin prevents chemotherapy-induced peripheral neuropathy through mitochondrial trafficking preservation
Chemotherapy-induced peripheral neuropathy (CIPN) is a disabling, often irreversible toxicity that affects millions of patients, limits life-saving cancer therapy, and lacks proven treatment. In this ...
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halfwitty.bsky.social @halfwitty.bsky.social · 06/09/2026
Low-dose THC keeps breast cancer cells in tumor models from reverting to an aggressive state Paper: www.nature.com/articles/s42... medicalxpress.com/news/2026-09... medicalxpress.com/news/2026-09...
medicalxpress.com
Low-dose THC keeps breast cancer cells in tumor models from reverting to an aggressive state
Recent discoveries have revealed that breast cancer cells are more flexible than previously thought. Some can change from a differentiated state, when a mature cell has taken on a specific function, b...
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halfwitty.bsky.social @halfwitty.bsky.social · 06/09/2026
Vagus nerve stimulation induces brain vascular rhythms improves later learning performance and triggers rhythmic changes in brain blood flow. Study: www.cell.com/iscience/ful... www.psypost.org/vagus-nerve-...
psypost.org
Vagus nerve stimulation induces brain vascular rhythms linked to later learning performance
New research in mice shows that stimulating the vagus nerve after training enhances long-term learning. The stimulation also triggers rhythmic changes in brain blood flow, suggesting learning depends ...
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halfwitty.bsky.social @halfwitty.bsky.social · 06/09/2026
Ultrasound-based speaker delivers targeted music without disturbing nearby listeners Parametric array loudspeaker (PAL), uses the nonlinear interaction of two ultrasonic waves in air to generate and concentrate audible sound Paper: www.nature.com/articles/s41... techxplore.com/news/2026-08...
nature.com
Dual-domain metamaterials co-integrated with a compact ultrasonic transducer for highly directional audio generation - Nature Communications
Acoustic and elastic metamaterials enable unprecedented wave control but rarely reach real-world device applications. Here, authors co-integrate dual-domain metamaterials with a piezoelectric ultrason...
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halfwitty.bsky.social @halfwitty.bsky.social · 06/09/2026
Tiny mirror that controls light in 3D could make microscopes smaller and faster Researchers have developed a state-of-the-art tiny mirror that can steer the light and change the focus in a single unit phys.org/news/2026-08... phys.org/news/2026-08...
phys.org
Tiny mirror that controls light in 3D could make microscopes smaller and faster
Researchers use tightly focused laser beams to image biological samples, shape materials with microscopic precision and generate displays. But using those beams in three dimensions requires more than ...
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halfwitty.bsky.social @halfwitty.bsky.social · 06/09/2026
Researchers have found a direct link between gut microbial pathways and the levels of GABA and glutamate in specific regions of the human brain. The research provides new human evidence for a biological link between the gut microbiome and brain function. www.nature.com/articles/s41...
nature.com
Empirical evidence for gut microbial influence on human brain neurochemistry via the gut–brain axis - Molecular Psychiatry
Molecular Psychiatry - Empirical evidence for gut microbial influence on human brain neurochemistry via the gut–brain axis
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halfwitty.bsky.social @halfwitty.bsky.social · 06/09/2026
Dietary unsaturated fats help align biological rhythms with seasonal changes in day length. In modern diets, fats can send artificial "pre-summer" signals irrespective of the actual season, misaligning circadian rhythms Paper: pubmed.ncbi.nlm.nih.gov/41129636/ www.science.org/doi/10.1126/...
science.org
Unsaturated fat alters clock phosphorylation to align rhythms to the season in mice
The circadian clock maintains synchrony between biological processes and light/dark cycles by integrating environmental cues. How the clock adapts to seasonal variations in the environment is incomple...
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halfwitty.bsky.social @halfwitty.bsky.social · 06/09/2026
mRNA COVID-19 vaccines can boost the effectiveness of cancer immunotherapy by resetting the tumor-immune environment and helping patients with advanced cancers live longer. www.nature.com/articles/s41... www.nature.com/articles/s41...
nature.com
SARS-CoV-2 mRNA vaccines sensitize tumours to immune checkpoint blockade - Nature
mRNA vaccines targeting SARS-CoV-2 also sensitize tumours to immune checkpoint inhibitors.
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halfwitty.bsky.social @halfwitty.bsky.social · 06/09/2026
T cells trained to calm immune response for autoimmune diseases Conversion of pathogenic T cells into functionally stabilized Treg cells for antigen-specific immunosuppression in pemphigus vulgaris www.science.org/doi/10.1126/... www.science.org/doi/10.1126/...
science.org
Conversion of pathogenic T cells into functionally stabilized Treg cells for antigen-specific immunosuppression in pemphigus vulgaris
Functionally stable regulatory T cells converted in vitro from pathogenic T cells can confer antigen-specific immunosuppression in pemphigus vulgaris.
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halfwitty.bsky.social @halfwitty.bsky.social · 28/08/2026
Rewiring the paralyzed body’s false alarm Autonomic dysreflexia, a sudden hypertensive crisis, can be reversed using epidural electrical neuromodulation www.science.org/doi/10.1126/... www.science.org/doi/10.1126/...
science.org
Rewiring the paralyzed body’s false alarm
Autonomic dysreflexia can be reversed using epidural electrical neuromodulation
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halfwitty.bsky.social @halfwitty.bsky.social · 24/08/2026
Making ‘light’ work of computing Penn physicists have created hybrid light-matter particles that interact strongly enough to compute, pointing toward ultrafast, low-energy optical AI hardware. Study: journals.aps.org/prl/abstract.... penntoday.upenn.edu/news/making-...
journals.aps.org
Strongly Nonlinear Nanocavity Exciton Polaritons in Gate-Tunable Monolayer Semiconductors
Precise adjustment of the doping level in a transition metal dichalcogenide heterostructure using electrostatic gating demonstrates a wide range of tunability in the exciton oscillator strength and th...
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halfwitty.bsky.social @halfwitty.bsky.social · 24/08/2026
Vitamin D supplement associated with better cognition in persons with sleep disturbance and mild cognitive Impairment pmc.ncbi.nlm.nih.gov/articles/PMC... pmc.ncbi.nlm.nih.gov/articles/PMC...
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halfwitty.bsky.social @halfwitty.bsky.social · 24/08/2026
Imaging Earth’s subsurface with thunderstorm-generated seismic waves recorded by using preexisting telecommunication fiber-optic cables www.science.org/doi/10.1126/... www.science.org/doi/10.1126/...
science.org
Imaging Earth’s subsurface with thunderstorm-generated seismic waves
Thunder generates atmospheric acoustic waves that couple into the ground, producing seismic signals called “thunderquakes.” Although widely observed, this atmosphere-solid Earth conversion has rarely ...
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halfwitty.bsky.social @halfwitty.bsky.social · 23/08/2026
Voluntary attention regulates acute immune responses in humans Study shows that directing attention towards bodily sensations, compared to attentional distraction, produces markedly more regulated immune responses, with distinct temporal dynamics. www.nature.com/articles/s41...
nature.com
Voluntary attention regulates acute immune responses in humans - Nature Human Behaviour
Mizrachi et al. show that directing attention to bodily sensations, rather than away, promotes more regulated acute inflammatory responses in healthy volunteers, revealing sensory and vagal pathways l...
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halfwitty.bsky.social @halfwitty.bsky.social · 20/08/2026
A new analysis of suggests dihydropyridine calcium channel blockers (DCCBs) — amlodipine and nifedipine — were associated with a 33% higher risk of major adverse kidney events over 3.5 years vs other blood pressure drugs www.emjreviews.com/nephrology/n...
emjreviews.com
Blood Pressure Drug Linked to Worse Kidney Outcomes in T2D: ERA 2026
DCCBs were associated with increased kidney disease progression in Type 2 diabetes patients receiving standard care. Find out more.
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halfwitty.bsky.social @halfwitty.bsky.social · 13/08/2026
A large study indicates protection against heart attacks and strokes may require roughly 560 to 610 minutes a week—nearly 9 to 10 hours of brisk activity. Significantly more than the current recommendation of 150 hrs/week. Paper: bjsm.bmj.com/content/earl... www.sciencedaily.com/releases/202...
bjsm.bmj.com
Joint non-linear dose–response associations of device-measured physical activity and cardiorespiratory fitness with cardiovascular disease: a cohort and Mendelian randomisation study
Objectives To characterise the non-linear joint dose–response relationship of accelerometer-measured moderate-to-vigorous physical activity (MVPA) and cardiorespiratory fitness (CRF, estimated as maxi...
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halfwitty.bsky.social @halfwitty.bsky.social · 11/08/2026
Deep-Earth map reveals a lost continent Buried along the eastern front of the Appalachian Mountains, lies a fragment of a lost continent. The 200-kilometer-thick slab of crust was probably created during the breakup of the Pangaea agupubs.onlinelibrary.wiley.com/doi/10.1029/...
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halfwitty.bsky.social @halfwitty.bsky.social · 11/08/2026
Patterns of brain-wide associations reflect socioeconomics Socioeconomic circumstances are more powerfully associated with brain function and structure than other variables. www.science.org/doi/10.1126/... www.science.org/doi/10.1126/...
science.org
Patterns of brain-wide associations reflect socioeconomics
Previous brain-wide association studies (BWAS) have linked specific environmental and behavioral variables to brain variability. In this work, we mapped 649 variables to children’s brains and compared...
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halfwitty.bsky.social @halfwitty.bsky.social · 07/08/2026
Tiny micro robots with living nerve cells repair zebrafish spinal cords Biohybrid microrobots - "NPCbots", integrate human pluripotent-stem-cell-derived NPCs with magnetic nanoparticles, enabling wireless magnetic navigation and non-invasive neuronal stimulation. www.nature.com/articles/s41...
nature.com
Magnetoelectric microrobots for spinal cord injury regeneration - Nature Materials
Microrobots made of human-induced pluripotent stem cells and magnetoelectric nanoparticles promote lesion repair and motor improvements after spinal cord injury in zebrafish and mice under magnetic gu...
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halfwitty.bsky.social @halfwitty.bsky.social · 06/08/2026
New single-dose drug clears malaria parasites in mice including dormant and drug resistant strains doi.org/10.1021/acs.... doi.org/10.1021/acs....
doi.org
Identification of an Orally Efficacious Imidazo[4,5‑c]pyridine-6-Carboxamide Antimalarial with a High Barrier to Resistance
Abstract. Due to the emergence of resistance to both artemisinin derivatives, and their partner drugs, new antimalarials are urgently needed. Ideally, new
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halfwitty.bsky.social @halfwitty.bsky.social · 03/08/2026
Simple 3D polymer-derived ceramic printing This work establishes a reliable and straightforward route from an extremely simple precursor to high-performance PDC micro/nano devices pubs.acs.org/ancac3/artic... pubs.acs.org/ancac3/artic...
pubs.acs.org
Three-Dimensional Printing Ultrastrong, Ultraductile Micro/nano Silicon Oxycarbide Ceramics Derived from a Monolithic Preceramic Resin
Abstract. Polymer-derived ceramics (PDCs) are promising candidates for fabricating three-dimensional (3D) micro/nanodevices. However, their advancement has
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halfwitty.bsky.social @halfwitty.bsky.social · 02/08/2026
Republicans death rate from Covid were 15 to 43% higher after the vaccine was available with no difference seen before the vaccine. Study: jamanetwork.com/journals/jam... jamanetwork.com/journals/jam...
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halfwitty.bsky.social @halfwitty.bsky.social · 02/08/2026
Time-restricted feeding extends healthspan in both sexes and lifespan in male A composite Healthspan Index revealed that TRF extended healthspan in both sexes, though the benefits were more prolonged in female mice relative to their total lifespan. pubmed.ncbi.nlm.nih.gov/42230994/
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halfwitty.bsky.social @halfwitty.bsky.social · 26/07/2026
A single MOSFET transistor can mimic biological neuron behavior—specifically functioning as a Leaky Integrate-and-Fire (LIF) neuron to achieve ultra-low power consumption in neuromorphic computing spectrum.ieee.org/artificial-n... spectrum.ieee.org/artificial-n...
spectrum.ieee.org
How a Forgotten Wire Turned a Cheap Chip Into a Brainlike Neuron
The result is a simple and efficient neuromorphic device that mimics a brain cell
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halfwitty.bsky.social @halfwitty.bsky.social · 26/07/2026
A self-regulated photothermal anti-/deicing film for all-season transmission line applications This design achieves 92% solar absorptance for efficient anti-/deicing in winter and 62% solar modulation to mitigate overheating in summer. www.nature.com/articles/s41... www.nature.com/articles/s41...
nature.com
A self-regulated photothermal anti-/deicing film for all-season applications - Nature Communications
A self-regulated photothermal superhydrophobic film with strong solar modulation, energy storage, and durability is reported, switching between black and white as temperature changes, enabling winter ...
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halfwitty.bsky.social @halfwitty.bsky.social · 20/07/2026
Biggest Probabilistic Computer Turns Noise Into Answers Scientists reveal they have created the largest probabilistic computer with 1 million “probabilistic bits.” p-bits flip between 0 or 1 with a tunable probability. spectrum.ieee.org/biggest-prob...
spectrum.ieee.org
Million P Bit Machine Pushes Probabilistic Computing to New Scale
New machine may solve optimization problems that are too hard for regular computers
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halfwitty.bsky.social @halfwitty.bsky.social · 20/07/2026
Glucosamine supplementation is associated with accelerated Alzheimer's Disease progression and worsened survival. These results establish hyperglycosylation as a pathological driver of AD and highlight glycan metabolism as a target in the fight against AD. www.nature.com/articles/s42...
nature.com
Hyperglycosylation is a metabolic driver of Alzheimer’s disease - Nature Metabolism
Through spatial multiomics, spatial stable isotope tracing and retrospective cohort analyses, this study identifies hyperglycosylation as a driver of Alzheimer’s disease and a promising therapeutic ta...
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halfwitty.bsky.social @halfwitty.bsky.social · 20/07/2026
Vaccine for pancreatic cancer passed phase 1 trial with stimulated KRAS-specific T-cell response in 90% of participants Study: aacrjournals.org/cancerdiscov... pharmacally.com/first-human-...
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halfwitty.bsky.social @halfwitty.bsky.social · 15/07/2026
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. academic.oup.com/ej/advance-a... academic.oup.com/ej/advance-a...
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halfwitty.bsky.social @halfwitty.bsky.social · 15/07/2026
A woman with Alzheimer's experienced a remarkable improvement after she was given a strong dose of psilocybin "She suddenly became more alert, and even started speaking..." Study: www.frontiersin.org/journals/neu... mymodernmet.com/psilocybin-a...
frontiersin.org
Frontiers | Transient multidomain functional improvement in advanced Alzheimer’s disease following high-dose psilocybin-containing mushroom administration: a case report
BackgroundAdvanced Alzheimer’s disease (AD) is generally regarded as a stage of irreversible functional decline. Psilocybin is known to transiently alter lar...
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halfwitty.bsky.social @halfwitty.bsky.social · 28/06/2026
Researchers discover new driver of asthma-related inflammation: protein CBX7 Research found that CBX7 becomes activated after exposure to allergens. Once activated, the protein uses a dual mechanism to drive inflammation Study: pubmed.ncbi.nlm.nih.gov/41686891/ medicalxpress.com/news/2026-06...
medicalxpress.com
Researchers discover new driver of asthma-related inflammation
Researchers at National Jewish Health have uncovered a previously unknown mechanism that helps drive inflammation in allergic asthma, offering new insight into how the disease develops and potentially...
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halfwitty.bsky.social @halfwitty.bsky.social · 28/06/2026
Study: How oxygen sneaks into a corked wine bottle long before the first pour Study: www.science.org/doi/10.1126/... phys.org/news/2026-06... phys.org/news/2026-06...
science.org
Deciphering the mechanisms of oxygen transfer into a wine bottle
Hidden pathways governing oxygen transfer and reactions inside wine bottles are revealed across multiple timescales.
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halfwitty.bsky.social @halfwitty.bsky.social · 28/06/2026
Researchers have set a new ambient-pressure superconductivity record of 151 K (-188 °F) By treating pressure as a temporary environment rather than a permanent structural tool, researchers stabilized a 151 K (-188 °F) superconducting state at atmospheric pressure. www.asme.org/topics-resou...
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