• Monkey semen, monkey do

    Use of frozen macaque testis prompts hopes for paediatric cancer survivors.

    Scientists have taken frozen testicular tissue sourced from a prepubescent monkey, thawed it, and inserted it in a ca...

    Health March 24, 2019
  • The mystery of elephant testes

    Very few male mammal species have internal sex organs.

    In most placental mammals, including humans, the testes descend into the lower abdomen or scrotum during development,...

    Animals July 1, 2018