A two‑kilogram gorilla baby is not fragile cargo. It is a biological clamp built for altitude, riding on its mother’s torso while she climbs and feeds in the canopy. From the first hours, a powerful palmar grasp reflex activates, driving flexor muscles in hands and feet to close around fur and skin with a force that far exceeds what its body mass might suggest.Counterintuitively, the mother’s appa...More