Sperm Wars Can Create New Species
io9: Top,
Take a look at the battle unfolding in this remarkable image. It shows the sperm from two related fruit fly species competing…
Take a look at the battle unfolding in this remarkable image. It shows the sperm from two related fruit fly species competing…
When sperm from two or more males overlap within a female’s reproductive tract, they battle it out to be the one that gets to…