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Showing 1–4 of 4 results
Advanced filters: Author: Joe Quirk Clear advanced filters

  • Electromagnetic waves below the plasma frequency usually reflect off a metal. A theory now suggests that a nonlinear Josephson plasma wave — an excitation in an anisotropic superconductor — can propagate below the plasma frequency.

    • Joe Orenstein
    News & Views
    Nature Physics
    Volume: 2, P: 503-504

  • The mechanisms underlying drought-induced tree mortality are not fully resolved. Here, the authors show that, across multiple tree species, loss of xylem conductivity above 60% is associated with mortality, while carbon starvation is not universal.

    • Henry D. Adams
    • Melanie J. B. Zeppel
    • Nate G. McDowell
    Research
    Nature Ecology & Evolution
    Volume: 1, P: 1285-1291

  • The chemical breakdown of rocks can be enhanced by spreading silicate granules over land. Research suggests that this measure, which increases the rate at which CO2 is locked up in ocean carbonates, could lower atmospheric CO2 by 30–300 ppm by 2100.

    • Lyla L. Taylor
    • Joe Quirk
    • David J. Beerling
    Research
    Nature Climate Change
    Volume: 6, P: 402-406