Magnetic fingerprint in fired clay exposes forged ancient pottery
Researchers at UC San Diego's Scripps Institution of Oceanography have developed a magnetic test that distinguishes authentic ancient pottery from ...
Tag: PNAS
Orangutan Mothers Go the Extra Mile to Arrange Playdates for Their Infants
A fifteen-year study of wild Bornean orangutans shows that mothers actively plan playdates for their infants, traveling farther and feeding ...
Sugar Switch on Immune Cells Could Push Macrophages Back Into Cancer-Fighting Mode
Researchers found that blocking the enzyme ST6GAL1 reverses a sugar-linkage switch on macrophages, restoring tumor-fighting behavior and slowing colorectal cancer ...
Evolution’s Hidden Compass: When Fitness Is Equal, Curvature Steers the Path
Technion researchers show that when multiple evolutionary paths offer equal fitness, populations deterministically drift toward flatter, more robust regions of ...
Warming Arctic Permafrost May Turn Earthquakes Into Far Larger Disasters
A study by GEOMAR researchers finds that climate-driven permafrost degradation likely amplified the impacts of a 2025 earthquake on Jan ...
Heatwaves Quietly Suppress Soil Antibiotic Resistance Genes, European Study Finds
A large-scale European experiment shows that heatwaves push soil bacteria into survival mode, temporarily reducing antibiotic resistance genes, while cold, ...
Dunes Follow a Hidden Physics: Young Coastal Dune Landscapes Self-Organize Like Phase-Separating Fluids
New research shows that young coastal dune landscapes self-organize through phase-separation physics, revealing local tipping points beyond which damage to ...
Warming oceans will reshape marine body sizes in surprising and uneven ways
A global study of more than 23,000 marine mollusk species projects that climate change will reshape body sizes unevenly by ...
Resilience, Not Wealth, Decides Whether Shocks Become Food Crises
A global PNAS study of dozens of countries over more than a decade shows that resilience capacities—food system diversity, government ...
Toxic Metals Linger in Maui Residents’ Bodies Long After the 2023 Wildfires
A University of Hawaiʻi study of 1,400 Maui residents found elevated toxic metal burdens months after the 2023 wildfires, linked ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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