not that there was any doubt men could not do it...

[kosh]

https://news.harvard.edu/gazette/st...s-evolved-to-accommodate-strain-of-pregnancy/

and the original article:
https://www.nature.com/nature/journal/v450/n7172/pdf/nature06342.pdf

 

[Indigo77]

The links are not working....

 

[kosh]

The links are not working....

oh
i've copied them again and they seem to work now

 

[Storm1jet2]

I can think of many many many other reasons too