18/10/2022 11:42 AM | Click to read full article
When you think of friendship, what comes to mind? Is it a phone conversation that lasts late into the night? Watching a movie and sharing a pizza? Friendship is a central part of the human experience.
In scientific terms, two people are considered friends if they consistently prefer each other over other individuals. Humans aren’t the only ones who form friendships, though. And animals?