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overview
Ocean Acidification
Ocean acidification is sometimes called “climate change’s equally evil twin,”...
overview
Bioluminescence
You may have seen the sparkle of fireflies on a summer’s night. The fireflies...
slideshow
Backbone of Biodiversity at Risk
The International Union for the Conservation of Nature (IUCN) maintains the...
Thu, 10/28/2010 - 19:01

slideshow
Bizarre and Beautiful Coral Reef Animals
From parrotfish that cover themselves in a blanket of their own mucus to tiny pygmy...
Fri, 12/04/2009 - 14:05

slideshow
X-Rays of Fish Reveal Diversity
Scientists in the Division of Fishes at the Smithsonian's National Museum of...
Thu, 12/17/2009 - 18:00

slideshow
The Hyper Eyes of Hyperiids: How Some Shrimp-Like Creatures See Light in the Deep Sea
Hyperiid amphipods are small crustaceans related to sand fleas and distantly...
Tue, 08/19/2014 - 10:47

slideshow
Image Gallery: The Perfect Underwater Photo
For nearly 35 years, National Geographic photojournalist Brian Skerry has been...
Mon, 12/19/2011 - 16:13

slideshow
Image Gallery: Swimming with Sharks
For nearly 30 years, National Geographic photojournalist Brian Skerry has been...
Thu, 09/29/2011 - 14:03