Algal blooms in freshwater lakes are becoming more common worldwide

Whole-body regeneration has been identified in photosynthetic sea slugs. The slugs shed their entire body, including the heart, and while the body is detached the head takes on chloroplasts from algal food. These chloroplasts are used for photosynthesis, thought to aid survival of the severed head.

Color-changing indicator predicts algal blooms

Growing potential for toxic algal blooms in the Alaskan Arctic