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Seemingly inconsequential decisions can alter ecosystems, as a recent Australian study shows.
Hannah Gadsby claims "Nanette" is her exit from the stage. But she can change her mind.
Can artificial intelligence rival the animal kingdom? We compare the intelligence of four animals to current A.I. capabilities.
Emotions are the language of the unconscious, and in day-to-day life, they prevent us from sinking beneath an overwhelming flood of information.
Trees are far from dumb; they talk and share, because they need each other to live better lives.