Evolution does select for loner behavior, at least in slime molds. Loners provide both an ecological and evolutionary way to diversify a genetic portfolio to ensure the survival of the social, collective behavior.
While it is easy for most of us to read the emotions of those around us at a given time, researchers suggest that people are also skilled at predicting future emotions in others, thanks to a mental model of emotional transitions.
Just as a baby's babbles begin to sound more like recognizable human speech if they receive frequent vocal feedback from adults, the same kind of interaction speeds up speech acquisition in marmosets, a new study reveals.
Researchers report we make up our minds about others after seeing their faces for a fraction of a second, and that these snap judgments, which are usually incorrect, predict economic, legal, voting and other decisions.