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    Global analysis of more than 50,000 SARS-CoV-2 genomes reveals epistasis between eight viral genes
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    PNAS December 8, 2020 117 (49) 31519-31526; first published November 17, 2020. https://doi.org/10.1073/pnas.2012331117
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    COVID-19 lockdown induces disease-mitigating structural changes in mobility networks
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    PNAS first published December 3, 2020. https://doi.org/10.1073/pnas.2012326117
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    Observation of spontaneous ferromagnetism in a two-dimensional electron system
    M. S. Hossain, M. K. Ma, K. A. Villegas Rosales, Y. J. Chung, L. N. Pfeiffer, K. W. West, K. W. Baldwin, and M. Shayegan
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    The effect of tethering on the clearance rate of suspension-feeding plankton
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    Coupling of light and mechanics in a photonic crystal waveguide
    J.-B. Béguin, Z. Qin, X. Luan, and H. J. Kimble
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    Scaling confirmation of the thermodynamic dislocation theory
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    Role of inner solvation sheath within salt–solvent complexes in tailoring electrode/electrolyte interphases for lithium metal batteries
    Xiaodi Ren, Peiyuan Gao, Lianfeng Zou, Shuhong Jiao, Xia Cao, Xianhui Zhang, Hao Jia, Mark H. Engelhard, Bethany E. Matthews, Haiping Wu, Hongkyung Lee, Chaojiang Niu, Chongmin Wang, Bruce W. Arey, Jie Xiao, Jun Liu, Ji-Guang Zhang, and Wu Xu
    PNAS November 17, 2020 117 (46) 28603-28613; first published November 3, 2020. https://doi.org/10.1073/pnas.2010852117
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    Unraveling intrinsic correlation effects with angle-resolved photoemission spectroscopy
    Jianqiang Sky Zhou, Lucia Reining, Alessandro Nicolaou, Azzedine Bendounan, Kari Ruotsalainen, Marco Vanzini, J. J. Kas, J. J. Rehr, Matthias Muntwiler, Vladimir N. Strocov, Fausto Sirotti, and Matteo Gatti
    PNAS November 17, 2020 117 (46) 28596-28602; first published October 29, 2020. https://doi.org/10.1073/pnas.2012625117

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