A new study shows thawing out the frozen spunk helped improve genetic diversity in the population.
Researchers are trying to find a male alternative to condoms.
Mix robots and sperm, and what do you get? Spermbots.
Watch the winning entries in the 2013 "Dance Your PhD" competition.
One way or another, eggs are getting lonely.
Studies suggest couch potatoes have lower sperm counts. Evolution at work.
Dawn Higginson and her colleagues looked closely several species of beetle, and they all had outrageous sperm.
Sometimes evolution fucks up, skipping over natural selection and allowing bad traits to persevere. Such is the case of the naked mole rat. Poor little fellas can't feel pain on their skin, regulate their body temperatures well, _see anything_, and t…