Scientists have just discovered an unusual symbiotic relationship between crabs and living corals.
It seems that plants use social media, too.
Do you know your parasites from your gut commensals? Read this and you will.
Tiny animals along for the ride, called epibionts, could be used as living data-loggers. Researchers can glean info from them that could help inform turtle-friendly fisheries management decisions.
Fungi that live inside plants can fight off nasty insect pests.
Many corals can't make it through the bleaching events caused by warming ocean waters. But some can – and scientists are trying to learn more about the sources of their resilience.