Representative image (Photo credit: AP) NEW DELHI: Before a baby’s first breath, life depends on an extraordinary organ that most people rarely think about – the placenta.Acting as the baby’s first life-support system, the placenta delivers oxygen and nutrients, removes waste products, protects the developing fetus and produces hormones essential for sustaining pregnancy.Yet, despite its…

Lake Allos (French Alps), the largest natural high-altitude lake in Europe and one of the two study sites for this research. Credit: Hervé Rogissart In 1924, Arctic charr from Lake Geneva were introduced into Lake Allos. A hundred years later, scientists found that their descendants had developed different metabolic responses, even when raised under the…