Imagine you're an infant. Just a few months in the world, trying to gather your faculties, testing gravity—you're pretty helpless and fully reliant on the people around you. As a result, one of your primary tasks as a new person—even before hand-eye coordination and responding to your own name—...
Source: [Phys.org](https://phys.org/news/2026-10-young-infants-saliva-bond.html)