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Tech Xplore / Soft robots harvest ambient heat for self-sustained motion
A warm hand is enough to drive motion in tiny Salmonella-inspired robots that harness molecular-level dynamic bonding.
Phys.org / When darkness shines: How dark stars could illuminate the early universe
Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025, which may be examples of dark stars. The concept of dark stars has existed for some time and could alter ...
Medical Xpress / An fMRI marker of Alzheimer's-related cognitive decline
Researchers at Université Savoie Mont Blanc, Radboud University and the University of Oxford's Wellcome Center for Integrative Neuroimaging, report that attenuation of the brain's intrinsic anticorrelation between the default ...
Phys.org / The real reason states first emerged thousands of years ago: New research
Globalization, migration, climate change and war—nation states are currently under huge pressure on many fronts. Understanding the forces that initially drove the emergence of states across the world may help explain why.
Phys.org / How carbonates influence CO₂-to-fuel conversion: New insights from gold electrocatalysts
Researchers from the Helmholtz Zentrum Berlin (HZB) and the Fritz Haber Institute of the Max Planck Society (FHI) have uncovered how carbonate molecules affect the conversion of CO2 into valuable fuels on gold electrocatalysts. ...
Medical Xpress / Myeloid mimicry enables kidney tumors to resist immunotherapy and worsen rapidly, study finds
Researchers at The University of Texas MD Anderson Cancer Center have found that renal medullary carcinoma (RMC) cells use an adaptive mechanism called "myeloid mimicry" to hide from the immune system and promote disease ...
Phys.org / Using peat as sustainable precursor for fuel cell catalyst materials
Iron-nitrogen-carbon catalysts have the potential to replace the more expensive platinum catalysts currently used in fuel cells. This is shown by a study conducted by researchers from the Helmholtz-Zentrum Berlin (HZB), Physikalisch-Technische ...
Medical Xpress / Study reveals unexpected link between dopamine and serotonin in the brain
Researchers at Karolinska Institutet, Columbia University and the University of San Francisco, have uncovered a previously unknown mechanism by which dopamine, a key brain chemical vital for movement and motivation, can affect ...
Phys.org / Earth system models overstate carbon removal: New findings suggest nitrogen fixation is 50% lower than thought
High levels of atmospheric carbon dioxide intensify climate change, but high carbon dioxide levels can also stimulate plant growth. Plant growth removes carbon dioxide from the atmosphere, partially mitigating the effects ...
Phys.org / When substrates dictate the route: Deuterium source reshapes hydrogen isotope exchange pathways
A collaboration between the groups of Professor Mónica H. Pérez-Temprano at the Institute of Chemical Research of Catalonia (ICIQ) and Professor Anat Milo at Ben-Gurion University of the Negev has uncovered how the characteristics ...
Phys.org / Earthquakes shake up Yellowstone's subterranean ecosystems
Up to 30% of life, by weight, is underground. Seismic activity may renew the energy supply for subterranean ecosystems. Published in PNAS Nexus, Eric Boyd and colleagues chronicled the ecological changes in subsurface microbial ...
Medical Xpress / Why the 'gut brain' plays a central role for allergies
An international research team led by scientists from Bern and Charité—Universitätsmedizin Berlin has identified a previously unknown function of the intestinal nervous system.
