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a large iceberg
Video

National Ice Center Monitors the Arctic and Antarctic

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the front of an ice breaker
Video

Sea Ice in its Ever-Changing Forms

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A marine biologist measures the temperature of an ice core.
Photo

Measuring Ice Core Temperatures

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Two nurse sharks hover over a baited cage
Lesson Plan

Off Base

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Two nurse sharks hover over a baited cage
Lesson Plan

Where There’s Smoke…

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Two nurse sharks hover over a baited cage
Lesson Plan

Corrosion to Corals

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A walrus sits on top of ice.
Article

The Cultural Icescapes of the Arctic

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A narwhal breaches the surface, its tusk pointed to the sky
Article

Why a Tusk? The real-life unicorns of the sea and the tusks that make them famous

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

Sea Level Rise

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Two nurse sharks hover over a baited cage
Lesson Plan

Teaching Physical Science Through Oceanography

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Two nurse sharks hover over a baited cage
Lesson Plan

Trophic relationships in Arctic marine ecosystems

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