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Ducks fight the battle of the sexes in their genitals
The males have explosive erections and the female’s vagina that twist the wrong way.
Who will win in this battle for sexual control?
Find out over the next few billion years of evolution!
"We have a method, and that method helps us to reach not absolute truth, only asymptotic approaches to the truth — never there, just closer and closer, always finding vast new oceans of undiscovered possibilities." - Carl Sagan
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