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Talking Points: Reversal of gender roles, binge drinking in Wisconsin

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Have scientists cracked gender role reversal? European scientists say they know why for some animal species it's fathers rather than mothers that take care of their young -- and it all comes down to numbers. The role reversal in species such as sea horses and some others has evolved because of an imbalance in the number of males relative to females, they said. In 1871, Charles Darwin observed...

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