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2013-11-13 10:53:16

Parents' strategy to love their children depends on more than blood ties Contrary to common belief, parents do not generally treat their stepchildren less favorably than their own. Until now, many researchers believed in the so-called "Cinderella effect." It states that it is biologically inevitable that parents care less for stepchildren because they do not spread their genes. However, researchers have discovered an important exception. If there is a reasonable chance of increasing wealth...


Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'