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Deep-sea Gorges

Deep seafloor canyons host powerful currents that flow uphill along canyon floors, potentially playing a key role in driving global ocean circulation.

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Indian Ocean Dipole

The Indian Ocean Dipole influences weather patterns: its positive phase brings rain to East Africa and India, while drought affects Southeast Asia.

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Noah’s Not-so-big Flood

10,000 years ago, the Black Sea was a freshwater lake dammed by the Bosphorus Sill. Rising sea levels later flooded it, possibly inspiring the Noah’s flood story.

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Bacteria and Diatoms

Diatoms and bacteria rely on each other for key nutrients like carbon and B12—but they also compete for scarce iron in the ocean’s complex chemical soup.

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Greenland-Scotland Ridge

The Greenland-Scotland Ridge is a tall undersea ridge that rises within 500 meters of the sea surface and extends from East Greenland to Iceland and across to Scotland.

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Marine Microbe Relations

Scientists uncover how autotrophic and heterotrophic microbes interact via dissolved organic carbon, shaping ocean food webs and influencing Earth’s chemistry.

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Let the Sunshine In

Phytoplankton use chloroplasts to photosynthesize, adapting quickly to shifting light in the ocean to fuel growth with sunlight, carbon dioxide, and nutrients.

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UXO Marks the Spot

UXO Marks the Spot

Unexploded ordnance (UXO) from the 1940s and 50s can sometimes resurface in the surf or wash up on beaches at former U.S. military coastal training ranges as the coast erodes.…

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Alvin, Phone Home

Alvin, Phone Home

When the human-occupied submersible Alvin surfaces from a deep-sea mission, specially trained crew members called “swimmers” ride a small boat from the research vessel Atlantis to meet the sub. They…

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Breaking Through

Breaking Through

WHOI research engineer Peter Koski prepares an ice tethered profiler for Arctic deployment, working in the science lab of the Coast Guard Cutter Healy. Koski was one of 30 scientists aboard the…

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Mic Drop

Mic Drop

Adam Smith, a visiting investigator in WHOI biologist Aran Mooney’s lab, sets up several microphones that will be “dropped” down the side of a cliff and into the burrows of…

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Creating the Perfect Rip

Creating the Perfect Rip

Rip currents pose a threat to public safety, so officials are interested in ways to predict when and where they form. To study the dynamic and intermittent conditions that create…

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First Time Out

First Time Out

Postdoctoral investigator Eyal Wurgaft, research assistant Kate Morkeski, and MIT-WHOI Joint Program graduate student Mallory Ringham (left to right) lower the new Channelized Optical System (CHANOS II) instrument into Eel Pond…

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A Mighty Current

A Mighty Current

The cool waters of the Equatorial Undercurrent flow east across the Central Pacific Ocean. After traveling thousands of miles, the current runs into into the Galápagos Islands about 500 miles…

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Sounds of the Reef

Sounds of the Reef

Engineer Rod Catanach sets up a four-channel acoustic recorder to measure coral reef soundscapes—a combination of biological and non-biological sounds produced by everything from fish to waves—during field work in…

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Bleached Corals

Bleached Corals

Hanny Rivera, a graduate student in the MIT-WHOI Joint Program, takes a tissue sample from a bleached coral. When ocean waters warm, corals lose the colorful algae that lives in…

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Ready to Cast Off

Ready to Cast Off

Undergraduate students in the WHOI Summer Student Fellowship (SSF) program prepare for a day at sea aboard the research vessel Gulf Challenger in 2018. Each summer SSFs come to WHOI…

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Underwater Milestone

Underwater Milestone

The autonomous underwater vehicle (AUV) Sentry passed a milestone in October 2018, when it completed its 500th dive. The free-swimming, programmable robot was designed and built by WHOI engineers and completed its first…

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The Tale of the Arizona

The Tale of the Arizona

This two-dimensional gas chromatogram created by WHOI technician Bob Nelson from samples collected by chemist Chris Reddy tells a very special story. In July 2018, Reddy traveled to Pearl Harbor…

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