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| Tree rings circle an abrupt shift in climate 期刊论文 Science, 2020 作者: Qi-Bin Zhang; Ouya Fang
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:11/0  |  提交时间:2020/11/30 |
| Satellite swarm threatens radio array 期刊论文 Science, 2020 作者: Daniel Clery
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:6/0  |  提交时间:2020/10/20 |
| Lava lake rises at dangerous African volcano 期刊论文 Science, 2020 作者: Roland Pease
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:2/0  |  提交时间:2020/10/20 |
| An ethical framework for global vaccine allocation 期刊论文 Science, 2020 作者: Ezekiel J. Emanuel; Govind Persad; Adam Kern; Allen Buchanan; Cécile Fabre; Daniel Halliday; Joseph Heath; Lisa Herzog; R. J. Leland; Ephrem T. Lemango; Florencia Luna; Matthew S. McCoy; Ole F. Norheim; Trygve Ottersen; G. Owen Schaefer; Kok-Chor Tan; Christopher Heath Wellman; Jonathan Wolff; Henry S. Richardson
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:39/0  |  提交时间:2020/09/14 |
| Listen up 期刊论文 Science, 2020 作者: Daniel Clery
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:13/0  |  提交时间:2020/09/14 |
| A muddy legacy 期刊论文 Science, 2020 作者: Paul Voosen
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:22/0  |  提交时间:2020/08/25 |
| Lucky strike 期刊论文 Science, 2020 作者: Joshua Sokol
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:4/0  |  提交时间:2020/08/18 |
| COVID-19 risks to global food security 期刊论文 Science, 2020 作者: David Laborde; Will Martin; Johan Swinnen; Rob Vos
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:24/0  |  提交时间:2020/08/09 |
| COVID-19 policies: Remember measles 期刊论文 Science, 2020 作者: Debarati Guha-Sapir; Maria Moitinho de Almeida; Mory Keita; Gregg Greenough; Eran Bendavid
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:3/0  |  提交时间:2020/07/21 |
| Does better access to credit help reduce energy intensity in China? Evidence from manufacturing firms 期刊论文 Energy Policy, 2020 作者: Dayong Zhang, Jun Li, Qiang Ji
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:4/0  |  提交时间:2020/07/14 |