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Leiden Declaration on Artificial Intelligence and Mathematics
Declaration text Leiden Declaration on Artificial Intelligence and Mathematics Preamble Technological developments have repeatedly transformed the practice of mathematics. Recent artificial intelligence technologies, including symbolic and neural methods for the generation and formalization of mathematics, may already have initiated a significant chapter in this long history. Among researchers, artificial intelligence has produced a wide range of reactions: enthusiasm for its potential to...
Mathematicians warn of AI threats to profession as industry encroaches
Mathematicians warned against rising tech industry influence in a declaration describing the many challenges that AI poses to mathematics research. The timing of the declaration comes two weeks after OpenAI publicized one of its AI models as having disproved an 80-year-old mathematical conjecture in geometry. The declaration was developed by a working group of 16 researchers over eight months following a conference held at Leiden University in the Netherlands in September 2025.
How bacteria survive with almost no oxygen— and why blocking one enzyme could aid new antibiotics
Researchers in Leiden have, for the first time, observed how a specialized enzyme helps bacteria stay alive when oxygen levels are low, and how that process can be blocked. The study, published in Science Advances, opens up new possibilities for targeted antibiotics.
120,000-year-old European fallow deer—tracing the loss of genetic diversity
European fallow deer have faced a dramatic loss of genetic diversity since the last interglacial period. This was revealed by 120,000-year-old fossils from central Germany's Neumark-Nord site in Saxony-Anhalt, analyzed by researchers from the University of Potsdam, the MONREPOS Research Center and Museum in Neuwied, and Leiden University. Their results have been published in the journal iScience.
Mathematicians say 'don't believe hype' on AI capabilities
Mathematicians say 'don't believe hype' on AI capabilities Andrew Zinin Lead Editor Dozens of mathematicians signed a declaration Tuesday calling for the discipline to resist beating the drum for artificial intelligence developers. The "Leiden Declaration," backed by over 150 professors from across the world including Europe, Japan and the US, warned governments especially not to "believe the hype" about systems' math abilities. Their intervention follows claims of increasing capability from...
Dozens of mathematicians sign declaration against AI; say maths should remain a human endeavour
Dozens of mathematicians signed a declaration Tuesday calling for the discipline to resist beating the drum for artificial intelligence developers. The researchers warn that AI is putting fundamental values of the discipline under threat. The rise of AI is forcing mathematics to rethink what makes their field reliable and valuable.
Core-based Hierarchies for Efficient GraphRAG
arXiv:2603.05207v2 Announce Type: replace Abstract: Retrieval-Augmented Generation (RAG) enhances large language models by incorporating external knowledge. However, existing vector-based methods often fail on global sensemaking tasks that require reasoning across many documents. GraphRAG addresses this by organizing documents into a knowledge graph with hierarchical communities that can be recursively summarized.
JWST finds a stellar bar in the early universe that breaks all rules
May 31, 2026 report JWST finds a stellar bar in the early universe that breaks all rules Shreejaya Karantha Author Sadie Harley Scientific Editor Robert Egan Associate Editor Astronomers using the James Webb Space Telescope (JWST) have discovered a stellar bar in GN20, a massive galaxy seen just 1.5 billion years after the Big Bang. The new paper was submitted to the preprint server arXiv on May 14. Cosmic funnels Stellar bars are elongated arrangements of stars that cut across the center of...
Your kitchen sponge is releasing microplastics every time you wash dishes
Your kitchen sponge is releasing microplastics every time you wash dishes - Date: - June 1, 2026 - Source: - University of Bonn - Summary: - Kitchen sponges release microplastics as they wear down during everyday use, with some sponge types shedding far more than others. Researchers estimated that millions of households could collectively release hundreds of tons of microplastics annually. Kitchen sponges are a staple in most homes, but they may also be an overlooked source of microplastic...
How a small amount of rare earth metal shapes the environmental impact of magnets
How a small amount of rare earth metal shapes the environmental impact of magnets Gaby Clark Scientific Editor Robert Egan Associate Editor Magnets for electric cars and wind turbines contain only a small amount of the rare earth metal dysprosium. Yet, this metal is responsible for a large share of the environmental impact and costs, according to research by environmental scientists Stellina Samuel, Robert Istrate and René Kleijn. The study is published in the journal Sustainable Production...