Last Friday, as I was competing a draft of this essay, I was asked to comment on the notion of trust among nonhuman animals (animals). This request couldn't have come at a better time because I was ...

A blue jay will cooperate with a buddy for mutual gain in food despite opportunities to betray the partnership, according to a new laboratory study. Such cooperation among animals had remained elusive ...

Honey gatherers working with birds to find wild bees’ nests; fishers working with dolphins to trap fish — these are examples of what’s known as mutualism, a practice that’s fast dying out, a new study ...