Studies suggest couch potatoes have lower sperm counts. Evolution at work.
Articles tagged "sperm"
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…