Centre for Ecology and Conservation, University of Exeter, Penryn Campus, Penryn, Cornwall TR10 9FE, UK.
Centre for Research in Animal Behaviour, University of Exeter, Exeter EX4 4QG, UK.
Curr Biol. 2019 Mar 18;29(6):R215-R218. doi: 10.1016/j.cub.2019.02.012.
The evolutionary puzzle of the extended post-reproductive life of female humans has been explained by indirect fitness benefits gained by grandmothers helping raise their grandchildren. Two new studies support this 'grandmother hypothesis' and explore its limits in space and time.
女性人类延长生育后生命的进化谜题，可以通过祖母帮助抚养孙辈获得的间接适应度收益来解释。两项新研究支持这一“祖母假说”，并探讨了其在空间和时间上的局限性。
