[Harvard] Babies infer people are in close relationships if willing to share saliva

[Harvard]

Babies infer people are in close relationships if willing to share saliva

Eight- to 10-month-olds can tell that two people are likely in a close relationship if they have interactions that involve some type of saliva-sharing.


https://news.harvard.edu/gazette/story/2...edium=Feed&utm_source=Syndication