Across the globe, reef-building corals live in symbiosis with algae, which provide the animals with food and their iconic brilliant color. But environmental stress — high temperatures, in particular — can kill corals by causing them to "bleach," a process in which they lose their vital algal friends and turn ghostly white.
Image Courtesy of Vichaya Kiatying-Angsulee / FreeDigitalPhotos.net
To read the full, original article click on this link: New Clues Emerge On How Corals Bleach | LiveScience
