Humans
Love thy neighbour – so you can kill the others off
Why have we evolved to do altruistic things like giving blood or caring for the sick without expecting them to do the same for us?
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Why have we evolved to do altruistic things like giving blood or caring for the sick without expecting them to do the same for us?
Classic article from 1982: Fossils from the Awash river valley push the existence of man's line back to before 4 million years ago