California sea otters have been poisoned by the microcystin toxin. This sea otter pup is healthy. (Photo by R. Wilder, Monterey Bay Aquarium) A potent toxin produced by bright-green blooms of ...

A new study found dolphins in Florida's Indian River Lagoon have brain changes similar to those seen in human Alzheimer's disease. Scientists consider dolphins a sentinel species, meaning their health ...

Scientists have discovered how a diarrhea-causing strain of bacteria uses 'molecular scissors' to cut open and destroy gut cells, leading to severe illness and sometimes death. Scientists at La Trobe ...