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Women Really Don't Notice Details About Your Penis

We’ve seen it in study after study: men worry about what their penis looks like. Is it too short? Too long? Too thin? Is the glans too fat? Will that birthmark be a deal breaker? Relax. A study published in the Journal of Sexual Medicine last month suggests that women don’t really notice those details.
» 8/06/15 9:21pm 8/06/15 9:21pm

Here's How Men Make 200 Million Sperm Every Day

Human testes are masters of mass production, spitting out sperm at a rate of 200 million per day. But that doesn’t mean the process is fast–it takes 64 days to make a sperm. The organ keeps the count high with an assembly-line anatomy that scales up sperm development from a trickle to a flood. » 6/24/15 6:58pm 6/24/15 6:58pm