At first glance, tiny flatworms called acoels seem pretty simple. Their few internal organs drift freely in their shapeless bodies, which lack even a digestive tract. Study co-author Bo Wang and his ...

Researchers have found a genetic pathway that facilitates inter-species communication between a marine worm, acoel, and its symbiotic algae. Many organisms are far more complex than just a single ...

An acoel is a marine worm with symbiotic algae that is capable of regeneration. The red parts in the image are algae, the blue and green parts are animal cells. Credit: Dania Nanes Sarfati Many ...

This acoel is a marine worm with symbiotic algae that is capable of regeneration. Fluorescence imaging shows the algal cells in red, and the acoel cells in blue and green. Many organisms are far more ...