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Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.
overview

Corals and Coral Reefs

 Coral reefs are the most diverse of all marine ecosystems. They teem with life,...
After ocean scientists sort deep-sea coral samples into their different types, they measure and photograph the specimens.
slideshow

Studying Deep-Sea Corals

 What happens to deep-sea coral samples after they are collected? In this image...
Thu, 06/09/2011 - 09:23
A team of scientists explore the Arctic ocean.
slideshow

Under Arctic Ice

 Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a...
Tue, 01/04/2011 - 14:48