Dogs (and probably many other animals) have a conscience too

The article has been published in the journal Ethology, Ecology and Evolution, with a title the researcher Roberto Cazzolla Gatti borrowed from the novel by Lewis Carroll: "Self-consciousness: beyond the looking-glass and ...

Too many choices? New study says more is usually better

Are we overloaded and paralyzed by too many choices, or is it good to have so many options? A new study in the Journal of Consumer Research says the jury is still out on so-called "choice overload."

Scientists say natural selection alone can explain eusociality

Scientists at Harvard University have sketched a new map of the "evolutionary labyrinth" species must traverse to reach eusociality, the rare but spectacularly successful social structure where individuals cooperate to raise ...

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