Tuesday, December 10, 2019

Grandmother killer whales boost calves' survival, study finds

The survival chances of young orca whales are boosted by the presence of their grandmothers, especially in times of food scarcity, according to new research that offers a clue as to the evolutionary purpose of menopause.

from CNN.com - RSS Channel - Regions - Asia https://ift.tt/3594eLZ
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