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A map of the U.S. and Canada is colored to show the areas of the U.S. that expect higher or lower precipitation. The northwest and northeast are brown to show reduced precipitation, while most of the southwest and southeast are blue to indicate higher precipitation.
Article

El Niño Explained: Understanding the Forces Shaping 2023-24 Winter Weather 

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A sea turtle swimming
Overview

Sea Turtles

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Smithsonian Scientists Dig a Trench Around a squalodontid Skull
Photo

Digging a Trench

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two humpback whales swim underwater
Overview

Whales and Dolphins

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A thin layer of oil on the water's surface, reflecting rainbow colors
Timeline

Gulf of Mexico Oil Spill Milestones

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Chrysaora melanaster is a jellyfish found in the Arctic.
Overview

Jellyfish and Comb Jellies

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A C-130 Hercules from the Air Force Reserve Command deploys dispersant into the Gulf of Mexico May 5, 2010, as part of the Deepwater Horizon/BP oil spill response effort.
Article

Building a Better Dispersant

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two images cropped together of women at desks facing each other
Timeline

An Irrepressible Wave

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Great hammerhead in Bimini, Bahamas.
Overview

Sharks

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a graphic depicting several different anglerfish of various sizes and colors
Photo

The Anglerfish Relatives

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A bloom of algae from up above
Article

What Exactly Is a Red Tide?

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