Small ocean critters use their poo to help seaweeds have sex

Finding a good partner in life is a tricky endeavour, so imagine how much more difficult this task becomes when you're rooted in the ground.

For most land plants, the inability to move means they have to find clever ways of transporting fertile material to suitable mates. In the millions of years it took for land plants to evolve, they developed intricate and unique relationships with animals that have allowed th