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Mineral protection regulates long-term global preservation of natural organic carbon

mercredi 12 juin 2019 par Jordon D. Hemingway, Daniel H. Rothman, Katherine E. Grant, Sarah Z. Rosengard, Timothy I. Eglinton, Louis A. Derry, Valier V. Galy
Nature, Published online: 12 June 2019; doi:10.1038/s41586-019-1280-6Broadening activation energy distributions and increasing radiocarbon ages reveal the global importance of mineral protection in promoting organic carbon preservation.

Climate as a risk factor for armed conflict

mercredi 12 juin 2019 par Katharine J. Mach, Caroline M. Kraan, W. Neil Adger, Halvard Buhaug, Marshall Burke, James D. Fearon, Christopher B. Field, Cullen S. Hendrix, Jean-Francois Maystadt, John O’Loughlin, Philip Roessler, Jürgen Scheffran, Kenneth A. Schultz, Nina von Uexkull
Nature, Published online: 12 June 2019; doi:10.1038/s41586-019-1300-6Climate has affected organized armed conflict within countries, and intensifying climate change is estimated to increase future risks of conflict, although other drivers are substantially more influential and the mechanisms of (...)

Tiny flying saucers are actually odd new microbes

mercredi 12 juin 2019
Nature, Published online: 12 June 2019; doi:10.1038/d41586-019-01827-xSingle-celled life forms display original movement style.

Reply to: Evidence for two blue (type IIb) diamond populations

mercredi 12 juin 2019 par Evan M. Smith, Steven B. Shirey, Stephen H. Richardson, Fabrizio Nestola, Emma S. Bullock, Jianhua Wang, Wuyi Wang
Nature, Published online: 12 June 2019; doi:10.1038/s41586-019-1246-8Reply to: Evidence for two blue (type IIb) diamond populations

Spin–orbit-driven band inversion in bilayer graphene by the van der Waals proximity effect

mercredi 12 juin 2019 par J. O. Island, X. Cui, C. Lewandowski, J. Y. Khoo, E. M. Spanton, H. Zhou, D. Rhodes, J. C. Hone, T. Taniguchi, K. Watanabe, L. S. Levitov, M. P. Zaletel, A. F. Young
Nature, Published online: 12 June 2019; doi:10.1038/s41586-019-1304-2By enhancing the spin–orbit coupling in bilayer graphene using the proximity effect in a van der Waals heterostructure, band inversion occurs and an incompressible, gapped phase is (...)

Hydraulic control of mammalian embryo size and cell fate

mercredi 12 juin 2019 par Chii Jou Chan, Maria Costanzo, Teresa Ruiz-Herrero, Gregor Mönke, Ryan J. Petrie, Martin Bergert, Alba Diz-Muñoz, L. Mahadevan, Takashi Hiiragi
Nature, Published online: 12 June 2019; doi:10.1038/s41586-019-1309-xA mouse blastocyst model reveals how lumenal pressure, cell cortical tension and tissue stiffness act at the tissue scale to regulate embryo size, which in turn influences the division pattern of trophectoderm cells and their (...)

Podcast: Mighty magnets, and aerosols in the atmosphere

mercredi 12 juin 2019
Nature, Published online: 12 June 2019; doi:10.1038/d41586-019-01871-7Listen to the latest science updates, brought to you by Benjamin Thompson and Nick Howe.

45.5-tesla direct-current magnetic field generated with a high-temperature superconducting magnet

mercredi 12 juin 2019 par Seungyong Hahn, Kwanglok Kim, Kwangmin Kim, Xinbo Hu, Thomas Painter, Iain Dixon, Seokho Kim, Kabindra R. Bhattarai, So Noguchi, Jan Jaroszynski, David C. Larbalestier
Nature, Published online: 12 June 2019; doi:10.1038/s41586-019-1293-1A copper oxide high-temperature superconductor magnet generates a direct-current magnetic field of 45.5 tesla—the highest value reported so far—using a design that enables operation at high current (...)

Isotopic constraint on the twentieth-century increase in tropospheric ozone

mercredi 12 juin 2019 par Laurence Y. Yeung, Lee. T. Murray, Patricia Martinerie, Emmanuel Witrant, Huanting Hu, Asmita Banerjee, Anaïs Orsi, Jérôme Chappellaz
Nature, Published online: 12 June 2019; doi:10.1038/s41586-019-1277-1Isotope data from polar firn and ice are used to constrain the increase in tropospheric ozone between 1850 and 2005 ad.

Reply to: Evidence for two blue (type IIb) diamond populations

mercredi 12 juin 2019 par Evan M. Smith, Steven B. Shirey, Stephen H. Richardson, Fabrizio Nestola, Emma S. Bullock, Jianhua Wang, Wuyi Wang
Nature, Published online: 12 June 2019; doi:10.1038/s41586-019-1246-8Reply to: Evidence for two blue (type IIb) diamond populations

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