Placozoa are among the simplest animals in the world. They were initially discovered living on the walls of aquariums in a European laboratory in the 1880s, and are thought to live naturally ...

This tiny, simple animal, the Myxozoans, evolved from something bigger and more complex. We tend to think that evolution only goes in one direction— toward getting bigger and more advanced. But that’s ...

To understand the full relationship between brain activity and behavior, scientists have needed a way to map this relationship for all of the neurons across a whole brain—a so far insurmountable ...