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| The evolution of eusociality: no risk-return tradeoff but the ecology matters 期刊论文 ECOLOGY LETTERS, 2020, 23 (3) : 518-526 作者: Field, Jeremy; Toyoizumi, Hiroshi
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:13/0  |  提交时间:2020/02/17 Bees bet-hedging eusociality Hamilton' s Rule Hymenoptera inheritance social behaviour social evolution wasps |
| President Trump Signed the Farm Bill into Law One Year Ago Today, USDA Highlights Implementation Accomplishments to Date 新闻 来源平台:United States Department of Agriculture. 发布日期:2019 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:13/0  |  提交时间:2020/01/16 |
| Secretary Perdue Applauds USDA’s 2019 Accomplishments 新闻 来源平台:United States Department of Agriculture. 发布日期:2019 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:11/0  |  提交时间:2020/01/16 |
| With Record Low Unemployment, USDA Finalizes Rule to Promote Work 新闻 来源平台:United States Department of Agriculture. 发布日期:2019 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:0/0  |  提交时间:2020/01/16 |
| Response to Comment on "The role of electron-electron interactions in two-dimensional Dirac fermions" 期刊论文 SCIENCE, 2019, 366 (6470) 作者: Tang, Ho-Kin; Leaw, J. N.; Rodrigues, J. N. B.; Herbut, I. F.; Sengupta, P.; Assaad, F. F.; Adam, S.
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:5/0  |  提交时间:2020/02/17 |
| USDA Restores Original Intent of SNAP: A Second Chance, Not A Way of Life 新闻 来源平台:United States Department of Agriculture. 发布日期:2019 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:2/0  |  提交时间:2020/01/16 |
| Recent EPA enforcement cases throughout the Pacific Northwest 新闻 来源平台:us environmental protection agency (epa). 发布日期:2019 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:4/0  |  提交时间:2020/01/16 |
| Shift in size of bumblebee queens over the last century 期刊论文 GLOBAL CHANGE BIOLOGY, 2019 作者: Gerard, Maxence; Martinet, Baptiste; Maebe, Kevin; Marshall, Leon; Smagghe, Guy; Vereecken, Nicolas J.; Vray, Sarah; Rasmont, Pierre; Michez, Denis
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:7/0  |  提交时间:2020/02/17 Bergmann' s rule body size bumblebees genetic structure global change habitat fragmentation |
| Internet Governance Forum: We must act now to tackle the threats of cyberspace 新闻 来源平台:UN Sustainable Development Goals. 发布日期:2019 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:4/0  |  提交时间:2020/06/18 |
| In the face of increasing digital divides and cyberattacks, UN Chief calls for transforming the Internet as a powerful force for good 新闻 来源平台:UN Sustainable Development Goals. 发布日期:2019 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:9/0  |  提交时间:2020/06/18 |