The advantages of sperm teaming up to get to the egg

Sperm that team up to swim together are able to better make their way against any currents in the female reproductive tract, according to a new study. — Frontiers

It turns out sperm go against the flow better when they swim together.

Despite the popular idea that the fastest and fittest male reproductive cell is the one that wins the fertilisation race, research has shown that spermatozoa often team up to navigate the female reproductive tract in a wide range of mammalian species.