this post was submitted on 31 Oct 2023
48 points (100.0% liked)

Science

13035 readers
22 users here now

Studies, research findings, and interesting tidbits from the ever-expanding scientific world.

Subcommunities on Beehaw:


Be sure to also check out these other Fediverse science communities:


This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.

founded 2 years ago
MODERATORS
 

It is not obvious why selection should favor menopause or the continued survival of individuals that can no longer reproduce. The famous Grandmother Hypothesis had been used to explain the evolutionary significance of menopause. A new study conducted on the Ngogo chimpanzees community of wild chimpanzees in Uganda challenges this hypothesis. Science 27 Oct 2023 Vol 382, Issue 6669 DOI: 10.1126/science.add547

you are viewing a single comment's thread
view the rest of the comments
[–] lvxferre@lemmy.ml 1 points 1 year ago

It becomes the same explanation once you take into account that younger females don't care about the rest of the clan - because they are not her relatives. Only the older females have some reason to shut down the mechanism.