sperm

  • Male Mice Produce Rat Sperm in Novel Chimera Experiment

    Male Mice Produce Rat Sperm in Novel Chimera Experiment

    Cue the Jurassic Park theme song: Scientists in Switzerland appear to have pulled off a remarkable feat, creating sterile and seemingly healthy mice that can produce the sperm cells of a rat. These rodent chimeras weren’t able to make viable rat offspring, but the work could lead to a new method of preserving species on…


  • A Major Study on How Sperm Move Has Been Retracted

    A Major Study on How Sperm Move Has Been Retracted

    A study that claimed to overturn our understanding of how sperm moves has now been retracted. The research had suggested that sperm cells propel themselves forward through complex spins that created an optical illusion of them only swishing their tails back and forth under a microscope. The authors now agree that their conclusions can’t be…


  • Want To Keep Your Sperm Healthy? Stick To Boxers, Says Harvard Study

    Want To Keep Your Sperm Healthy? Stick To Boxers, Says Harvard Study

    It’s long been thought that tighty-whiteys and other kinds of snug underwear can be bad for men’s semen quality, thanks to the warmer temperatures they can cause down below. And a new study out of Harvard University seems to confirm that suspicion. It found that men attending a fertility centre who regularly wore boxers had…