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Knowledge for two

2 months 2 weeks ago
Science, Volume 390, Issue 6770, Page 246-246, October 2025.
Jeremy Goodman and Chaz Firestone

Constraints on lepton number violation with the 2 tonne · year CUORE dataset

2 months 2 weeks ago
Science, Volume 390, Issue 6777, Page 1029-1032, December 2025.
CUORE CollaborationCUORE Collaboration*†D. Q. Adams, C. Alduino, K. Alfonso, F. T. Avignone, O. Azzolini, G. Bari, F. Bellini, G. Benato, M. Beretta, M. Biassoni, A. Branca, C. Brofferio, C. Bucci, J. Camilleri, A. Caminata, A. Campani, J. Cao, S…

Biocatalytic, asymmetric radical hydrogenation of unactivated alkenes

2 months 2 weeks ago
Science, Volume 390, Issue 6777, Page 1050-1056, December 2025.
Jaicy Vallapurackal, Rajib Mandal, Justin Bossenbroek, Aris V. Rubio, Ethan Poladian, James D. Collings, Cesar Torres, Matthew Hendrickson, Julian Morales, Max B. Lyons, Kyle Schultz, Hannah S. Shafaat, K. N. Houk, Soumitra V. Athavale

Vitamin C conveys geroprotection on primate ovaries

2 months 2 weeks ago
Ovarian aging plays a pivotal role in female reproductive health, with implications for treatment strategies and quality of life. However, the potential of a single pharmaceutical agent to mitigate primate ovarian aging remains largely unexplored. Our 3.3-year study in monkeys demonstrates that oral vitamin C has geroprotective effects against ovarian aging. Vitamin C diminishes key aging biomarkers, including oxidative stress and follicular depletion. Using a single-cell transcriptomic clock,...
Ying Jing

Burden of 375 diseases and injuries, risk-attributable burden of 88 risk factors, and healthy life expectancy in 204 countries and territories, including 660 subnational locations, 1990-2023: a systematic analysis for the Global Burden of Disease Study…

2 months 2 weeks ago
BACKGROUND: For more than three decades, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) has provided a framework to quantify health loss due to diseases, injuries, and associated risk factors. This paper presents GBD 2023 findings on disease and injury burden and risk-attributable health loss, offering a global audit of the state of world health to inform public health priorities. This work captures the evolving landscape of health metrics across age groups, sexes, and...
GBD 2023 Disease and Injury and Risk Factor Collaborators

Global age-sex-specific all-cause mortality and life expectancy estimates for 204 countries and territories and 660 subnational locations, 1950-2023: a demographic analysis for the Global Burden of Disease Study 2023

2 months 2 weeks ago
BACKGROUND: Comprehensive, comparable, and timely estimates of demographic metrics-including life expectancy and age-specific mortality-are essential for evaluating, understanding, and addressing trends in population health. The COVID-19 pandemic highlighted the importance of timely and all-cause mortality estimates for being able to respond to changing trends in health outcomes, showing a strong need for demographic analysis tools that can produce all-cause mortality estimates more rapidly with...
GBD 2023 Demographics Collaborators

Global burden of 292 causes of death in 204 countries and territories and 660 subnational locations, 1990-2023: a systematic analysis for the Global Burden of Disease Study 2023

2 months 2 weeks ago
BACKGROUND: Timely and comprehensive analyses of causes of death stratified by age, sex, and location are essential for shaping effective health policies aimed at reducing global mortality. The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2023 provides cause-specific mortality estimates measured in counts, rates, and years of life lost (YLLs). GBD 2023 aimed to enhance our understanding of the relationship between age and cause of death by quantifying the probability of...
GBD 2023 Causes of Death Collaborators

Solution-processable and photo-curable system for low-cost and scalable transient electronics

2 months 2 weeks ago
The discovery of non-toxic, bioresorbable silicon electronics is a major breakthrough in the fields of transient, dissolvable biomedical implants and environmental monitors, as it opens up the possibility of producing versatile components based on established semiconductor processes. However, given the limited lifespan of such electronics, it is essential to consider economical manufacturing and production strategies that reduce the unit price for commercialization. Here, we introduce a...
Won Bae Han

The geroprotective potential of chalcones

2 months 2 weeks ago
Aging is the most important risk factor for multiple pathologies including cardiovascular, neoplastic, metabolic and neurodegenerative diseases. Potential geroprotective strategies involve lifestyle-related, nutritional and pharmacological interventions. Recently, chalcones, a subgroup of secondary plant metabolites, have gained attention. 4,4'-dimethoxychalcone was the first chalcone to be shown to mediate geroprotection and lifespan extension across different species. Several other chalcones...
Didac Carmona-Gutierrez

Deep mutational scanning of the human insulin receptor ectodomain to inform precision therapy for insulin resistance

2 months 2 weeks ago
The insulin receptor entrains tissue growth and metabolism to nutritional conditions. Complete loss of function in humans leads to extreme insulin resistance and infantile mortality, while loss of 80-90% function permits longevity of decades. Even low-level activation of severely compromised receptors, for example by anti-receptor monoclonal antibodies, thus offers the potential for decisive clinical benefit. A barrier to genetic diagnosis and translational research is the increasing...
Vahid Aslanzadeh

Niche-specific dermal macrophage loss promotes skin capillary ageing

2 months 2 weeks ago
All mammalian organs depend on resident macrophage populations to coordinate repair and facilitate tissue-specific functions^(1-3). Functionally distinct macrophage populations reside in discrete tissue niches and are replenished through a combination of local proliferation and monocyte recruitment^(4,5). Declines in macrophage abundance and function have been linked to age-associated pathologies, including atherosclerosis, cancer and neurodegeneration^(6-8). However, the mechanisms that...
Kailin R Mesa