DIRK SHADD | Times ] ST. PETERSBURG — She called it cute, the microscopic single-celled ... A photo compilation showing the same sea urchin before and after infection with the ciliate in the ...

(Photo by Michael Langhans) In 2019, researchers found a forest of bull kelp growing on a deep reef that had been a sea urchin barren the previous year. (Photo by Patrick Webster) A diver conducts a ...