One purpose of this conference was to discover whether thinking of this sort is relevant to biological theory on such subjects as evolution. (religion-online.org)
The prevailing biological theory for matches between younger women and older men is that mature males have proved the superior fitness of their DNA by the mere fact that they are still around. (discovermagazine.com)
At his Stanford University office, peering out from a tangle of gray - flecked hair and beard, he tells me that primate studies contradict simple biological theories of male belligerence — for example, those that blame the hormone testosterone. (discovermagazine.com)