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  • Engineered blood clots stop bleeding in seconds

    Engineered blood clots stop bleeding in seconds0

    Jiang, S. et al. Nature https://doi.org/10.1038/s41586-026-10412-y (2026). Article  Google Scholar  Guo, B., Dong, R., Liang, Y. & Li, M. Nature Rev. Chem. 5, 773–791 (2021). Article  PubMed  Google Scholar  Peshkova, A. D. et al. Blood Adv. 9, 3418–3428 (2025). Article  PubMed  Google Scholar  Garyfallogiannis, K. et al. Acta Biomater. 159, 49–62 (2023). Article  PubMed  Google

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  • The memory dealer of Old Jeddah

    The memory dealer of Old Jeddah0

    The holographic minaret of Al-Shafi’i drilled the Adhan straight into the mastoid bone behind my ear. A neural vibration, not a sound. Maghrib. Above the coral houses of Al-Balad, the Ministry’s drones buzzed back to their hives, glutted on our biometric data. I sat on my synthetic rug in a shop squeezed between a hissing

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  • How big is Big G? Mystery deepens after ten-year effort to measure gravity’s strength

    How big is Big G? Mystery deepens after ten-year effort to measure gravity’s strength0

    Stephan Schlamminger (left) and colleague Vincent Lee with the equipment used to measure big G.Credit: R. Eskalis/NIST The value of the constant that describes the gravitational pull between objects, Big G, continues to baffle scientists. A decade-long replication experiment1 that involved moving equipment across the Atlantic has resulted in a number that disagrees with previous

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