Sonicating sperm: the future of male contraception?
Zapping testicles with ultrasound can reduce sperm counts and might be used in the future as an inexpensive, reliable and reversible male contraceptive, according to U.S. researchers.
Source: http://www.cosmosmagazine.com/news/5237/ultrasound-zaps-could-be-used-male-contraceptives-study
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