The Nature of Nurture and the Nurture of Nature

Have you ever wondered why, despite our best efforts, certain situations cause us to act like our parents? While we often think of this as a learned behavioral mechanism, new research by Dr. Brian Dias from Emory University points to nature playing a role, suggesting it’s possible some information is biologically inherited through chemical changes that occur in DNA. He came to this conclusion in a study which uncovered the fact that mice can pass on learned information about traumatic or stressful experiences—in this case, a fear of the smell of cherry blossom—to subsequent generations. This provides compelling evidence for the [...]