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Japanese scientists develop freeze-dried mouse sperm postcards

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AFP

Washington (AFP) – Good news: Scientists won’t have to worry about their mouse sperm vials breaking in transit ever again. Researchers in Japan have developed a way to freeze dry rodent ejaculate between thin plastic sheets and sticky tape it to postcards, with the samples surviving long journeys to produce healthy pups. The team from the University of Yamanashi were so delighted with their success one scientist even sent another a “Happy New Year” card with mouse sperm attached as a gift. “Until now, storing or sending to other researchers of mouse sperm has required a freezing environment su…

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