A unique womb-like environment designed by pediatric researchers could transform care for extremely premature babies, by mimicking the prenatal fluid-filled environment to give the tiniest newborns a precious few weeks to develop their lungs and other organs. “Our system could prevent the severe morbidity suffered by extremely premature infants by…

CAMBRIDGE, Mass. — In 1993, Leonard Zon had 110 fish tanks and an idea. Zon, a professor of stem cell and regenerative biology at Harvard University, thought to study human diseases in zebrafish. The freshwater fish, native to the streams and rice paddies of India and Myanmar, struck him as…

Scientists call our ability to understand another person’s thoughts—to intuit their desires, read their intentions, and predict their behavior—theory of mind. It’s an essential human trait, one that is crucial to effective social interaction. But where did it come from? Working with rhesus macaque monkeys, researchers in Winrich Freiwald’s Laboratory…