Born on the same day, Bill and Ben both grew up to have high status. But in every other way they were polar opposites. As children, Bill was well-liked, with many friends, while Ben was a bully, ...

Any nature documentary worth its salt contains the classic scene of two males facing off, battling to establish who is the alpha. These battles are important: Across many different species, position ...

Add Yahoo as a preferred source to see more of our stories on Google. Leaders can seem to emerge from the group naturally, based on their skill and expertise. Hiraman/E+ via Getty Images Born on the ...