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Jellyfish are transparent and made up of 95 percent water, so you’d think there isn’t much to them. But you’d be wrong. Jellyfish are more complex than you’d think—and one of their most fascinating parts is their stinging cells.
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How Do Jellyfish Sting?

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Cartoonist Jim Toomey explains the "climate change connection" in two minutes.
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Two Minutes on Oceans With Jim Toomey: The Climate Change Connection

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Dr. Candy Feller, Senior Scientist at the Smithsonian Environmental Research Center underscores the challenges facing mangroves, along with reasons for hope. 
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Living on the Edge: Mangroves

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A screenshot from the beginning of the video "Facing Climate Change: Oyster Farmers"
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Facing Climate Change: Oyster Farmers

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A screenshot from the video showing collection of nets.
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Turning Nets Into Carpet

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A screenshot from the video of Nancy Knowlton on PBS NewsHour.
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Where did Half of the Great Barrier Reef's Coral Go?

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A screenshot from the video "Discover Deep-sea Corals in Maine" with deep-sea corals.
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Discover Deep-sea Corals in Maine

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Nancy Knowlton speaking about the "Future of the Ocean"
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The Future of the Ocean

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Screen shot of "Sea Grapes: A Google Earth Tour" with aerial view of the Earth in Google Earth.
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Sea Grapes: A Google Earth Tour

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A screenshot from the video showing a translucent jellyfish in deepwater.
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Blackwater Drifting

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A screenshot from video showing a sea turtle on the sand.
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Sea Turtles Return to the Sea

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A screenshot from the video showing illustration of penguins on ice.
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Penguins: Popularity, Peril and Poop

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