On the face of it, a sperm’s work seems pretty straightforward: locate an egg and fertilise it. Job done. But in the world of a sessile broadcast-spawning marine invertebrate – immobile organisms in which…

Few individuals in the Star Wars universe inspired more fear than the Sith Lord, Darth Vader. But beneath the dark exterior, the commander-formerly-known-as-Anakin-Skywalker might have been hiding a dark…

Infertility plagues one in six Australian couples, and in approximately half of these cases the problem lies in poor semen quality. The discovery that a man has poor semen quality can be emotionally challenging…