Along the way, Darwin hatched new ideas about the formation of reefs — including the shimmering island rings of coral known as atolls. Once upon a time, Darwin proposed, there must have been a ...

Before Charles Darwin came up with his famous theory about evolution, he proposed a theory of how coral reefs and atolls formed. Some of the specimens he collected to support his theory are now cared ...

Along the way, Darwin hatched new ideas about the formation of reefs — including the shimmering island rings of coral known as atolls. Once upon a time, Darwin proposed, there must have been a ...