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A shark tooth embedded in a bone
Article

What the Megalodon Left Behind

The largest shark ever to exist on this planet, Carcharocles megalodon, could grow...
July 2018
Screenshot from video showing a close-up image of a plankton.
video

The Secret Life of Plankton

Imagine if a fish at the market could tell you where it came from; what would it...
Fri, 08/25/2017 - 10:13
Screenshot of opening slide for lecture "Efforts to Protect the Critically Endangered Monk Seal."
video

Efforts to Protect the Critically Endangered Monk Seal

Monk seals -- the only completely tropical species of seal in the world -- are in...
Tue, 06/14/2011 - 14:53
Screen shot from lecture on World Ocean Day.
video

The Last Wild Places In the Ocean Webcast

The ocean is not as natural as it once was. Where there used to be large predators...
Thu, 05/12/2011 - 16:36
ice cover simulation
video

Receding Ice Cover

See an animation showing over time, the receding of summer sea ice in the Arctic. ...
Fri, 01/07/2011 - 11:26
A photo of a squid using bioluminescence to hide in the deep sea.
overview

Bioluminescence

You may have seen the sparkle of fireflies on a summer’s night. The fireflies...
April 2018
Hawaiian monk seals are among the wildlife found within the Papahānaumokuākea World Heritage Site.
slideshow

Backbone of Biodiversity at Risk

The International Union for the Conservation of Nature (IUCN) maintains the...
Thu, 10/28/2010 - 19:01
A bluefin trevally swims in Hawaii’s Maro Coral Reef, part of the Papahānaumokuākea Marine National Monument.
slideshow

Two Views of Coral Reefs: Thriving and Threatened

Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of all...
Tue, 12/15/2009 - 11:19
Deep-sea Copepod Head
Photo

Deep-sea Copepod Gets a Close-up

This female deep-sea copepod (Pontostratiotes sp.) was collected in the...
A newly hatched leatherback turtle moves in the sand.
Photo

Habitat for Leatherback Turtles

Endangered Pacific leatherback sea turtles now have nearly 42,000 square miles of...
Oikopleura gorskyi is a rare deep-water species of larvacean
Photo

Deep-Water Larvacean

Found in Arctic waters, this rare deep-water species of larvacean, Oikopleura...
A deep-water larvacean (aka “sea tadpole”) inside its home.
Photo

Deep-Water Larvacean, or “Sea-Tadpole”

In the icy waters of the Arctic, a deep-water larvacean (aka “sea tadpole”...

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