corals
The mother of Colombian corals
Known as the mother of Colombian corals, at 70, marine biologist Elvira Alvarado is still diving — and pioneering "coral IVF" to help save endangered reefs.
Millions watch as underwater camera documents daily life on a Miami coral reef
For five years, the Coral City Camera has given viewers a live look at aquatic reef life near Miami. It's documented the declining conditions and shown a surprising vitality among some coral species.
