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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

How a Mysterious Body Part Called Fascia Is Challenging Medicine

Fascia is a web of fibrous tissue that permeates the body, but is it really the "Cinderella Tissue" that new age therapists, Rolfers, and yoga instructors suggest? The fascial system is still a medical mystery. But that could soon change, thanks to an unlikely alliance between researchers and alternative therapists. » 7/29/14 3:41pm 7/29/14 3:41pm

A Few Suggestions for the Next Phase of Ballsack Evolution

Yo, nature! You're crazy, bro. You have to know you're crazy. I mean, you do a great job with a lot of shit—my teeth totally grind up food like a boss; my precision grip is hella virtuosic on the DVR remote; my feet and pelvic angle crush verticality. But seriously, WHAT IS YOUR DEAL WITH BALLS? » 7/10/13 5:33pm 7/10/13 5:33pm