Instincts, plasticity, and the messy truth about nature vs. nurture
The idea that creatures, humans included, are governed by hardwired instincts is a comforting one. It suggests order, predictability, and perhaps even an excuse for that inexplicable urge to hoard snacks. But biology, as usual, refuses to play along neatly. Instead, we find that so-called “instincts” are often more like rough drafts, heavily edited by experience, environment, and even the ghostly hand of epigenetics. The myth of the unshakable instinct ...