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Science News for October 20, 2026


Tofu is the winner. Cambridge scientist creates new holistic scoring system to measure the impact of food

A new scoring system evaluates protein-rich foods based on environmental impact, health, affordability, and availability, revealing plant-based options like tofu as top performers. The system aims to foster a new literacy, empowering consumers to make informed choices that balance compassion, planet, and future generations.

SourceLucy Cavendish College, University of Cambridge·JournalFrontiers in Sustainable Food Systems·TypeData/statistical analysis·DateOct 20, 2026

Nurse-led card game may ease children’s preoperative anxiety at operating-room entry, single-center trial suggests

A nurse-led card game, 'Medical Vanguard', has been shown to ease children's preoperative anxiety and improve cooperation during surgery. The game, played individually or in groups, uses simple materials and brief medical explanations to distract children from the clinical environment and promote a sense of control. The findings sugges...

SourceZhejiang University·JournalWorld Journal of Pediatrics·DateOct 20, 2026

Researchers develop two-step approach to more accurately detect tau in uncertain Alzheimer’s diseases prognosis

A new two-step approach called Gatekeeper-Reflex model for AD (GRAD) uses blood biomarkers to detect tau in uncertain Alzheimer's diagnosis, improving diagnosis and treatment decisions. GRAD resolves many uncertain results, reducing the need for expensive brain scans and invasive procedures.

SourceBoston University School of Medicine·JournalAnnals of Clinical and Translational Neurology·TypeData/statistical analysis·DateOct 20, 2026

Combination therapy reveals potential vulnerability in aggressive osteosarcoma

Researchers have identified a potential therapeutic vulnerability in some forms of osteosarcoma, a pediatric bone cancer, by combining EP300 degradation with AKT inhibition. This approach slowed tumor growth and prolonged survival in preclinical models, highlighting its clinical potential and providing a new therapeutic avenue for expl...

SourceSt. Jude Children's Research Hospital·JournalJournal of Experimental Medicine·TypeExperimental study·DateOct 20, 2026

Parents of transgender youth faced mental health declines after the 2025 US presidential inauguration

Research found that parents of transgender youth faced significant mental health declines after the 2025 US presidential inauguration, with sharp increases in depression and anxiety. In contrast, parents of cisgender youth remained relatively stable in their mental health, suggesting a vulnerability among trans youth parents to threats...

SourceAssociation for Psychological Science·JournalPsychological Science·DateOct 20, 2026

New Medicaid work requirements illustrate how ‘law is a determinant of health for patients and physicians alike’

The new regulations require eligible patients to document 80 hours of employment or similar activities each month, potentially leading to loss of insurance coverage. Physicians face increased administrative burdens, pressure to document patients' medical needs, and declining Medicaid payments, ultimately compromising patient care.

SourceBoston University School of Public Health·JournalNew England Journal of Medicine·TypeCommentary/editorial·DateOct 20, 2026

‘Smart bomb’ combination attacks triple-negative breast cancer in preclinical study

Researchers at Ohio State University Wexner Medical Center developed a combination treatment that targets CD276 protein and disrupts mitochondria, killing cancer cells and slowing tumor growth in preclinical models of triple-negative breast cancer. The findings suggest a possible new approach to treat this hard-to-treat form of breast ...

SourceOhio State University Wexner Medical Center·JournalCell Reports Medicine·TypeExperimental study·DateOct 20, 2026

New study reveals the high financial value of privacy in legal proceedings

A new study found that insurance settlements increased by 12-17% after anonymity guarantees were introduced in Israel's legal reform. This suggests that individuals were willing to sacrifice thousands of dollars to protect their privacy. The study provides rare real-world evidence of privacy's substantial economic value.

SourceThe Hebrew University of Jerusalem·JournalManagement Science·TypeObservational study·DateOct 20, 2026

NUS CDE researchers map individual reactions to guide better catalyst design

Researchers at NUS CDE have developed a novel imaging method to visualize individual reaction events on catalyst surfaces, revealing local differences that could lead to designing more effective materials. By studying water dissociation, they found that surface regions with accelerated reactions tend to have lower underlying reaction r...

SourceNational University of Singapore College of Design and Engineering·JournalNature Catalysis·TypeExperimental study·DateOct 20, 2026

CityUHK researchers shatter physical limitations and reveal a quantum pathway to entropy-free energy transfer

Researchers at CityUHK reveal a novel quantum solution to harness energy from fluctuating sources without entropy, enabling predictable power transfer. The discovery points toward future low-power technologies and could power IoT devices, wearables, and smart-city sensors.

Decoding the genetic mechanism of peanut plant architecture for lodging‑resistance and safe production

Researchers discovered the genetic mechanism of peanut plant architecture, revealing AhPILS as a key gene controlling plant architecture in peanuts. The study found that AhPILS modulates peanut plant architecture by regulating auxin distribution, providing valuable genetic resources for breeding varieties with ideal plant architecture.

SourceKeAi Communications Co., Ltd.·JournalThe Crop Journal·TypeExperimental study·DateOct 20, 2026

New high-frequency method boosts 2D material readout for next-gen quantum computers

Researchers from Tohoku University developed a high-frequency method to read quantum states at ultra-fast speeds in 2D-material-based quantum devices. This breakthrough enables near-perfect impedance matching, unlocking sensitive radio-frequency reflectometry and accelerating qubit development.

SourceAdvanced Institute for Materials Research (AIMR), Tohoku University·Journalnpj 2D Materials and Applications·DateOct 20, 2026

A familiar database name is not a quality label: Correspondence argues that the risk in public database research lies in how science is produced

Correspondence in Medicine Discovery argues that the quality of public database research rests on the study process, while the database name provides little information about scientific quality. Databases themselves are not the problem, but rather the production model that exploits them.

SourceMedicine Discovery·JournalMedicine Discovery·TypeCommentary/editorial·DateOct 20, 2026

Fully automated metal experiments pave the way for AI-driven exploration

A team of researchers at Tohoku University has developed an automated experimental system for bulk metallic materials, enabling continuous workflow from heat treatment to structural analysis and mechanical property evaluation. The system evaluates mechanical properties with accuracy comparable to conventional measurements, conducting t...

SourceTohoku University·JournalScience and Technology of Advanced Materials·DateOct 20, 2026

When AI can create anything, what makes human creativity matter?

A new paper argues that human creativity's value lies in the transformative experiences and personal development it requires, shifting the focus from the finished product to the experiences that shape artists and cultures. The research highlights how AI can enrich human experiences and encourage curiosity, exploration, and new perspect...

SourceThe Hebrew University of Jerusalem·JournalAI & Society·TypeCommentary/editorial·DateOct 20, 2026

TikTok returns ‘no violation’ decision on 95% of reports of UK-facing accounts advertising drugs, study finds

A study by the University of Bath found that TikTok's standard reporting system fails to act on most reports of accounts advertising and offering illegal drugs for sale to UK users. After 14 days, 83.5% of accounts remained publicly accessible, despite the platform's own Community Guidelines prohibiting such activity.

SourceUniversity of Bath·JournalInternational Journal of Drug Policy·TypeExperimental study·DateOct 20, 2026

Spouses mattered more than genes for the risk of severe COVID-19

A Danish study of over 83,000 twins and their spouses found that shared environment and close contact with an infected person increased the risk of severe COVID-19 hospitalization. The study suggests that genetic factors may play a modest role in infection risk, but not in severe disease.

SourceUniversity of Southern Denmark Faculty of Health Sciences·JournalInternational Journal of Epidemiology·TypeSystematic review·DateOct 20, 2026

Quality over quantity in ultrafast photography

A new ultrafast photography technique, logarithmic ultrafast photography with band-resolved individual delay generation, captures unseen moments in ultrafast events by focusing on dynamic changes. This technique allows for 11 frames to capture key instances across five orders of magnitude in time.

SourceUniversity of Tokyo·JournalOptica·TypeExperimental study·DateOct 20, 2026

Does AI know when to say "no"? New study reveals AI chatbots recognize unnecessary medical tests, but stumble where human doctors disagree

A new study reveals AI chatbots successfully identify redundant medical interventions in most cases, but stumble in gray areas where human consensus is divided. The study found that AI models often echo human disagreements, and struggle to convey restraint in social interactions with patients.

SourceBen-Gurion University of the Negev·JournalAnnals of Internal Medicine·TypeData/statistical analysis·DateOct 20, 2026

Marital breakups often have not only immediate but also long-term effects, and some of these are felt particularly keenly in old age

A University of Granada study reveals that marital breakups can lead to long-term vulnerabilities in older adults, particularly those living alone with limited family and social support. Many experience deficits in family support and unmet instrumental needs, while others struggle with emotional needs, depression, and loneliness.

SourceUniversity of Granada·JournalRevista Internacional de Sociología·TypeCase study·DateOct 20, 2026

Childhood environment may shape long-term mental health risk in children of parents with bipolar disorder

A Concordia-led study finds that disorganized and inconsistent home environments in childhood are associated with higher cortisol levels, depression, and anxiety in young adulthood. The researchers suggest that family-based prevention programs could help reduce risk by strengthening organization and predictability at home.

SourceConcordia University·JournalPsychoneuroendocrinology·TypeObservational study·DateOct 20, 2026

Research Spotlight: AI tool automates echocardiogram assessment of the heart’s right ventricle

Researchers developed an AI tool, DROID-RV, to estimate right ventricle size and function from echocardiogram videos. The tool accurately predicted right ventricle function and was associated with cardiovascular outcomes, including heart failure, atrial fibrillation, and mortality.

SourceMass General Brigham·JournalNature Cardiovascular Research·TypeComputational simulation/modeling·DateOct 20, 2026

Why are cephalopods such suckers?

Researchers found that genes associated with appendage patterning showed expression along developing cephalopod arms, but not in suckers. Instead, genes like Ets1, involved in early embryonic development, were reused to form suckers. This suggests that cephalopods evolved suckers by reusing existing genes in new ways.

SourceUniversity of Tokyo·JournaliScience·TypeExperimental study·DateOct 20, 2026

Vaccination has little impact on post-COVID smell and taste issues

A global study of 1,352 vaccinated participants found that, in most cases, COVID-19 vaccination did not improve persistent smell and taste problems. Researchers say the findings provide reassurance for most people, but note that natural recovery may also have played a role. The study's results highlight the importance of clinicians ass...

SourceUniversity of Queensland·JournalLaryngoscope Investigative Otolaryngology·TypeSurvey·DateOct 20, 2026

Scientific triumph, equity failure: Faster, fairer COVID-19 vaccine roll-out could have saved millions of lives, UN University publication reveals

A new Policy Brief from the UN University Institute for Water, Environment and Health argues that an equity-focused global mechanism is needed to improve vaccine financing, production, and delivery. The publication estimates that delaying the global vaccine roll-out by 100 days could have saved over 8 million lives by the end of 2021.

A new light on one of modern physics’ greatest mysteries

Researchers reveal that pseudogap and superconductivity compete with one another in cuprates, a family of copper-based compounds. This discovery sheds new light on the mechanisms behind superconductivity and has important implications for the development of next-generation superconductors and energy-efficient technologies.

SourceInstitut national de la recherche scientifique - INRS·JournalNature Physics·TypeExperimental study·DateOct 20, 2026

Gentle brain ultrasound may help ease delusions in schizophrenia

A new study found that a single 10-minute ultrasound session can lead to a modest but clear drop in delusion scores in people with schizophrenia and schizoaffective disorder. The treatment, called transcranial ultrasound stimulation, targets a deep brain region with sound waves and showed promise in reducing delusions and side effects.

SourceNYU Langone Health / NYU Grossman School of Medicine·Journalnpj Acoustics·TypeRandomized controlled/clinical trial·DateOct 20, 2026

Filling the gaps in global rainfall maps

Researchers developed a machine learning approach to reconstruct missing precipitation patterns in global rainfall maps, using a 3D U-Net and 3D condition encoder to capture space and time variations. The model achieved high prediction accuracy and produced consistent rainfall patterns across locations and time.

SourceChiba University·JournalEarth and Space Science·TypeComputational simulation/modeling·DateOct 20, 2026

“Raman Genome” for SARS-CoV-2: new Raman technology distinguishes viral variants by their molecular RNA architecture

Researchers develop a new method using Raman spectroscopy to identify 20 SARS-CoV-2 variants and subvariants based on their molecular RNA architecture, which is distinct from their genetic composition. This approach has the potential to provide a rapid screening strategy for emerging viral variants.

SourceKansai Medical University·JournalAdvanced Science·TypeExperimental study·DateOct 20, 2026

Machine learning spots hidden risk of functional decline after heart failure

Researchers developed a machine learning model that predicts functional decline after heart failure, identifying patients at risk of losing independence despite surviving hospitalization. The model outperformed traditional prognostic approaches, highlighting the importance of physical function at discharge.

SourceJuntendo University Research Promotion Center·JournalJournal of Cardiac Failure·TypeData/statistical analysis·DateOct 20, 2026

Men feel unprepared for partner's menopause transition

A new study found that nearly 100 male partners of women experiencing menopause were unprepared to support their partners, with 68% knowing little or nothing about menopause before their partner's transition. The study identified four dominant themes: loss of intimacy, emotional distress, and lack of male-focused education and support ...

SourceThe Menopause Society·TypeSurvey·DateOct 20, 2026

A new path(way) for ALS research opens

Researchers at Nagoya University have discovered a new defense mechanism in neurons to prevent TDP-43 protein aggregation, a major cause of ALS. By activating the immunoproteasome, neurons break down TDP-43, reducing aggregation and motor neuron damage.

SourceNagoya University·JournalEMBO Reports·TypeExperimental study·DateOct 20, 2026