<i>The current scientific consensus is that there are average overall differences in specific abilities and men have a wider spread in intelligence.</i><p><a href="http://en.wikipedia.org/wiki/Sex_and_intelligence" rel="nofollow">http://en.wikipedia.org/wiki/Sex_and_intelligence</a><p>Incidentally, even if there were no information showing that abilities/ambitions were different, it would not be reasonable to assume they were the same until proven otherwise.