New Evidence That Grandmothers Were Crucial for Human Evolution | Surprising Science
How would grandmothers help us live longer? According to the hypothesis, grandmothers can help collect food and feed children before they are able to feed themselves, enabling mothers to have more children. Without grandmothers present, if a mother gives birth and already has a two-year-old child, the odds of that child surviving are much lower, because unlike other primates, humans aren’t able to feed and take care of themselves immediately after weaning. The mother must devote her time and attention to the new infant at the expense of the older child. But grandmothers can solve this problem by acting as supplementary caregivers.
Read more: http://blogs.smithsonianmag.com/science/2012/10/new-evidence-that-grandmothers-were-crucial-for-human-evolution/#ixzz2WdDDXVL9
Follow us: @SmithsonianMag on Twitter








