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Showing 1–3 of 3 results
Advanced filters: Author: R. Tostevin Clear advanced filters

  • The importance of oxygen in supporting early animal ecosystems is unclear because most proxies are unable to distinguish well-oxygenated from intermediate waters. Here, the authors show that early skeletal animals were restricted to well-oxygenated habitats, suggesting they had a high metabolic oxygen demand.

    • R. Tostevin
    • R. A. Wood
    • M. O. Clarkson
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-9

  • The central densities of protons and neutrons in stable atomic nuclei are saturated. More exotic nuclei — with imbalanced proton and neutron numbers — may have depleted central densities. Experiments now suggest such depletion for the 34Si nucleus.

    • A. Mutschler
    • A. Lemasson
    • K. Wimmer
    Research
    Nature Physics
    Volume: 13, P: 152-156