Did you know? Doctors use calcium carbonate from corals to mend broken bones. It is also used as a calcium supplement - calcium carbonate is what gives most cereals and milks their calcium content!.
more
Blog
Zooxanthellae
Most reef-building corals contain Zooxanthellae, a photosynthetic microscopic algae, in their tissues. Zooxanthellae produce sugar for the corals from photosynthesis; in return, corals obtain the energy to build reefs. These microscopic algae are also great indicators of the ocean's health and global warming. Ocean warming is the major cause for many reefs dying around the world, as it damages and kills corals. Zooxanthellae.
more