Babies born after March 11, 2020, will have only known a world in the grip of a pandemic. They may never have met anyone who isn’t their parent, or they may only ever have seen their grandparents from a distance. They certainly will not have had the same opportunities to interact with other children as those born in the years before. What are the implications for these pandemic children? As researchers, while we do think that most babies will have had an opportunity to thrive, there’s still a lot we don’t know, and we are clear that the first months and years of life are vitally important for a child’s long-term health, development, and well-being. Development takes place at an extraordinary rate during a baby’s first year when the brain doubles in size. This early development depends crucially on experience, and particularly social experience, which stimulates, tunes, and hones the brain’s unfolding …