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Ocean pollution is shrinking mammal testicles
Thom Dunn
sperm
Scientists find 100 million-year-old sperm preserved in amber
David Pescovitz
donors
It's ok for dead men to donate sperm, according to medical ethics study
David Pescovitz
sperm
The mathematics of how sperm swim
David Pescovitz
sperm
Smartphone microscope and app for testing your sperm
David Pescovitz
j-pop
Sperm Journey
Rob Beschizza
men
What's new in birth control for dudes
Maggie Koerth
sperm
Some like it cold
Maggie Koerth
ultrasound
Study: Ultrasound halts sperm
Rob Beschizza
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