With women opting for "free birth" or "unassisted birth" the stakes are only getting higher. Dismissing medical advice is also taking the form of a misguided practice of prolonging delivery well beyond due dates.
The U.S. space agency recently launched sperm specimens, from humans and bulls, to the international space station. There, astronauts will conduct experiments on the impact of microgravity on sperm’s motility and function.
