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a bull shark in a net
Article

How Climate Change is Impacting Shark Mothering

As any mother knows, ensuring the safety of your kids is a tough job. For bull...
July 2018
Greenland Shark in cold water
Article

In the Eyes of One Shark, Age is Nothing to Fear

In the freezing waters of the Arctic a toothed leviathan – the Greenland shark -...
August 2016
A juvenile Kemp's ridley sea turtle emerges from the nest
Article

Taking the Temperature of the Kemp's Ridley Sea Turtle

The Kemp’s ridley is a “riddler” among sea turtles. Although the species was...
May 2014
A walrus sits on top of ice.
Article

The Cultural Icescapes of the Arctic

Sea ice is typically viewed as the domain of physical and natural scientists, the...
March 2014
A newly established black mangrove sits in a field of salt marsh near the northern limit of mangroves in Florida. Mangroves have been expanding near their northern limit in Florida and the expansion is linked to a reduction in the frequency of ex
Article

Finding Mangroves In Unexpected Places

Over the past several decades, Florida’s coastal wetlands have been changing....
February 2014
In 2011, storms and lack of ice-cover due to a warmer winter climate resulted in hundreds of seal pups being washed up on the shore of Prince Edward Island. Like many, this young seal faced an uncertain future. See more Nature's Best Photos.
Personal Perspectives

Ice-Loving Seals and the Loss of Sea Ice

The threat that climate change poses to polar bears has received a lot of...
September 2013
This orange boring sponge (Cliona varians) overgrows several coral species at Panama's Smithsonian Tropical Studies Institute.
Personal Perspectives

Ocean Acidification Excites Boring Sponges

Boring sponges get a bad rap. Their own name betrays them, announcing to the world...
March 2013
Where the pH is the lowest, corals can no longer grow - sand, rubble and seagrasses replace the reef.
Personal Perspectives

Sneak Peek: Future of Coral Reefs in an Acidifying Ocean

Scientists don’t often get the opportunity to travel through time. But nestled...
August 2012
data of sea ice coverage in the Arctic
Personal Perspectives

Arctic Sea Ice: A New Low?

At a recent staff meeting a Smithsonian colleague mentioned that one of his...
September 2011
A photo of an oyster cage, out of the water, covered in sea squirts.
Article

Alaska Vulnerable to Invasive Species from Warmer Waters

Alaska’s pristine coastline is ripe for an influx of invasive marine species such...
September 2011
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

In the frigid Arctic Ocean, a mysterious toothed whale—the narwhal— resides...
August 2017
A decomposing sea star loses its grip on a rock.
Article

Sickly Starfish: A Q&A with Dr. Chris Mah

Since summer 2013, starfish along both coasts of the United States have been dying...
December 2013

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