Clever experiment shows altruism in great apes.
Humans are often thought of as the only truly altruistic species. We help others out — by giving blood, donating to the poor, or committing to recycling — for no immediate payoff, and often at a cost to ourselves.
Clever experiment shows altruism in great apes.
Humans are often thought of as the only truly altruistic species. We help others out — by giving blood, donating to the poor, or committing to recycling — for no immediate payoff, and often at a cost to ourselves.
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