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A walrus sits on top of ice.
Article

The Cultural Icescapes of the Arctic

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On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
Overview

Sea Level Rise

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The robotic underwater glider Scarlet Knight crossed the Atlantic over the course of several months in 2009.
Article

Underwater Robots Explore the Ocean

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The Greenland glacier Jakobshavn Isbrae is massive, at around 40 miles long and more than a mile thick.
Article

Up Close and Personal With the Fastest Glacier in the World

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Two men each hold a ceramic vessel at the archaeological excavation
Article

Archaeologists Study Early Whaling Community in Quebec, Canada

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An underwater blizzard of oil, marine microbes, "sea snot", and algae.
Article

Five Questions with Uta Passow, How An Oil Spill Affects the Movement of Carbon In the Ocean

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A shell placed in seawater with increased acidity slowly dissolves over 45 days.
Overview

Ocean Acidification

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The Ross Sea is a 1.9 million square mile (3.6 million square km) stretch of ocean off the coast of Antarctica.
Slideshow

A Trip South to Antarctica’s Ross Sea

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Two nurse sharks hover over a baited cage
Lesson Plan

Trophic relationships in Arctic marine ecosystems

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Two nurse sharks hover over a baited cage
Lesson Plan

This Old Tubeworm

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Two nurse sharks hover over a baited cage
Lesson Plan

Corrosion to Corals

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A team of scientists explore the Arctic ocean.
Slideshow

Under Arctic Ice

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