Great Sex: These Butterflies Have Giant Sperm Packages and Vaginal ‘Jaws’ – Newsweek


Newsweek

Great Sex: These Butterflies Have Giant Sperm Packages and Vaginal 'Jaws'
Newsweek
Sex is often complicated. Couples can become muddled in fraught dynamics, power struggles and conflicts between short-term desire and long-term vision. Of course, we are talking about butterfly sex here. Researchers at the University of Cincinnati have …

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