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Tiny "flakes" of marine snow.
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A Snowy Underwater Wonderland

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A deep red jellyfish, Crossota norvegica, floats in the water.
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Deep-Red Jellyfish

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Two divers prepare to explore the Lusitania shipwreck in 1935.
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Divers Explore the Lusitania Shipwreck

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Dr. Chris Reddy, an environmental chemist from Woods Hole Oceanographic Institution, studies oil spills and their long-term impacts.
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Oil & Water Don't Mix

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Walruses use sea ice as platforms on which to nurse their young and launch their dives.
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Walrus Rests on Ice

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On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
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Ice Melt in Iceland

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Rappers wrap their heads around climate change in this music video.
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Climate Change Rap Video

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A manta ray meets a diver face-to-face near San Benedicto, Mexico.
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Diver Meets Manta Ray

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This jewel squid (Histioteuthis bonnellii) lives above the Mid-Atlantic Ridge.
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Jewel Squid

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Photograph of a translucent red-orange comb jelly against a black sea.
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Red Mid-Water Comb Jelly

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A remotely operated vehicle (ROV) recovers a volcano monitor from an underwater observatory.
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ROV Recovers Volcano Monitor

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On a seamount peak, a huge colony of brittle stars (likely Ophiacantha rosea) feeds on passing particles.
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Millions of Brittle Stars

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