Wisdom of grandparents helped rise of prehistoric man: As more Homo sapiens lived beyond the age of 30, scientists say, they passed on knowledge and skills to the young, from The Guardian
[E]ven as gender roles have advanced past the Paleolithic version, the caregiving burden on them hasn’t eased. Though they work more hours at paid jobs, mothers in 2011 also spent more time on child care than women did in 1965. That’s partly because the expectation for hands-on childrearing has extended past childhood and deep into the teenage years. Expanded lifespans could conceivably grant humans a more drawn-out adolescent period, which would mean more years of unpaid work for their mothers. - Life Extension and Sexism, Slate.
Caught In The Sandwich Generation: An excerpt from Mother Daughter Me, Kevin MD
If you think you get one quarter of your genes from each of your four grandparents, this is not quite right. Inheritance from grandparents is not split even. The inferred distribution of grandparental contribution at Discover.
