The future of male contraceptives? A layered cocktail.

"Dinner and drinks" may take on a new, more provocative meaning.

Photo credit: Keystone / Hulton Archive / Getty Images
  • Scientist propose a layered cocktail as a future male contraceptive.
  • Chemical layers block the flow of sperm and can be dissolved with near-infrared light.
  • Tiny umbrella not included.
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