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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
Two nurse sharks hover over a baited cage
Lesson Plan

Tale of a Whale

Students exercise their observation skills to do some of the actual work of marine...
Tue, 11/24/2009 - 15:03
/themes/custom/a_clean_ocean
A tornado of sardines swirls around diver and photographer Erwin Poliakoff in the Philippines.
Article

Why the Littlest Fish Matter a Whole Lot

Top predators along the California coast are having a rough year. Recently starving...
May 2015
Home is where the hull is: Since the dawn of seafaring, humankind has had to deal with pesky creatures, such as barnacles, that “foul” ship hulls and boat propellers like this one.
Personal Perspectives

No Fouling Around

Since the dawn of seafaring, humankind has had to deal with the pesky creatures...
December 2010
Overfishing is leading to an abundance of less desirable species like jellyfish.
Personal Perspectives

Peanut Butter and Jellyfish

All over the world, people have been witnessing gigantic blooms of tens of...
November 2010
Tiny "flakes" of marine snow.

Marine Snow: A Staple of the Deep

Snow on land can make some people grumpy, but the magical-looking flakes and a...
January 2013
Hawaiian monk seals are among the wildlife found within the Papahānaumokuākea World Heritage Site.
Article

Struggling to Survive, But with a Chance to Thrive

Progress for Eight Endangered Ocean Creatures From snails to whales,...
January 2017
A large black grouper swims amidst coral.
Article

Protecting the Most Vulnerable Fish After an Oil Spill

When an oil spill happens, there are thousands of species affected, everything from...
August 2020
Two nurse sharks hover over a baited cage
Lesson Plan

Trophic relationships in Arctic marine ecosystems

In this activity, students will be able to describe how ratios of stable nitrogen...
Mon, 08/08/2011 - 16:47
/themes/custom/a_clean_ocean
Two nurse sharks hover over a baited cage
Lesson Plan

Where Have All the Glaciers Gone?

Students will describe how climate change is affecting sea ice, vegetation, and...
Mon, 08/08/2011 - 16:33
/themes/custom/a_clean_ocean
Two nurse sharks hover over a baited cage
Lesson Plan

Global Climate Change and Sea Level Rise

Students will learn via experimentation that ice formations on land will cause a...
Tue, 03/23/2010 - 11:20
/themes/custom/a_clean_ocean
Two nurse sharks hover over a baited cage
Lesson Plan

It’s Sedimentary, My Dear Watson

In this introductory activity, students analyze core sample data to identify...
Mon, 03/15/2010 - 14:56
/themes/custom/a_clean_ocean

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  • Ocean Life
    • Marine Mammals
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    • Plankton
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    • Microbes
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    • Deep Sea
    • Coasts & Shallow Water
    • Poles
    • Census of Marine Life
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    • The Seafloor
    • Temperature & Chemistry
  • Through Time
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    • Gulf Oil Spill
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