Making a Vas Deferens in the World
mothernaturenetwork: Sound waves may be the future of male birth controlRotating high-frequency ultrasound around the testes, scientists killed most of the sperm-creating cells in rats.

mothernaturenetwork:

Sound waves may be the future of male birth control
Rotating high-frequency ultrasound around the testes, scientists killed most of the sperm-creating cells in rats.

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3 months ago
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    If I had sex with people who had lady parts I would do this. And that bitch’d...pill AND...
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  20. talesofearth said: D:
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    just play dubstep on my balls, that’ll do
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