Videos
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How are seashells made?
One of the most striking features of our beaches is seashells. Their whorls, curves, and shiny iridescent insides are the remains of animals. But where do they come from?
Ocean Encounters: Geology Rocks!
Curious about Earth’s inner workings? Meet three geologists with unique careers studying quakes, volcanoes, and the planet beneath our feet.
How does the ocean impact hurricanes?
Hurricanes unleash powerful winds, rain, and storm surges on land—but they also stir the ocean, disrupting ecosystems and impacting marine life and currents.
Ocean Encounters: Small but Mighty
Microscopic marine life plays a huge role in our ocean—fueling food webs, shaping climate, and offering clues to life’s origins.
Ocean Encounters: Volcanoes
Learn about volcanoes on the seafloor, the insights they’re revealing, and how they impact our ocean planet.
Illuminating the Seafloor
Teamwork between a deep-sea robot and a human-occupied submarine led to the discovery of five new hydrothermal vents on the seafloor of the eastern Tropical Pacific Ocean.
Investigating the world of microbes with ROV Jason
At Axial Seamount, WHOI scientists filmed vibrant life at deep-sea vents—ecosystems powered by chemosynthetic microbes in total darkness.
Rare look at animals in the ocean twilight zone
The ocean is vast, so scientists use two ocean robots to better spot and study elusive creatures from the deep, dark twilight zone.
Alvin visits the wreck of the Titanic
Rare, uncut footage from 1986 shows Titanic’s wreck for the first time since 1912—captured by Alvin and Jason Junior, and largely unreleased until now.
Ocean Encounters: Extreme Ocean Machines
Explore the extreme ocean with guest host James Cameron. Learn how new tech is transforming deep-sea exploration and storytelling.
Climate Hero: The Ocean’s Super-Powered Carbon Pump
Learn about the biological carbon pump—the living ocean’s role in moving carbon out of the atmosphere and into the depths.
Sonic Seas: Using Sound to Understand and Conserve the Ocean
Experts discuss the many ways that ocean life uses sound and what those sounds can tell us about biodiversity, health, and our impacts to marine ecosystems.
Ocean Encounters: Titanic and Beyond
From the Titanic’s discovery in 1985 to the present day, deep-sea imaging has evolved, revealing breathtaking discoveries from the deep ocean and outer space.
Ocean Encounters: An Ocean of Sound
The ocean echoes with sounds from animals and humans alike. Discover how scientists decode these signals to protect marine life and restore habitats.
Ocean Encounters: Cities and the Sea
Join us as we explore impacts, adaptations, and new possibilities in urban ocean regions around the world.
Ocean Encounters: Ice!
Explore icy frontiers on Earth and beyond—discover how life survives, what ice reveals about our past, and where it might lead us next.
Illustrations
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Radioisotopes Tracking Tuna Migration
Bluefin tuna born before the Fukushima disaster did not have elevated levels of cesium-134, but those caught in August 2011 did.
How bacteria achieve a "quorum"
How bacteria achieve a “quorum” to coordinate collective behavior (Illustration by E. Paul Oberlander and Katherine Joyce, WHOI, © Woods Hole Oceanographic Institution)
Two subspecies of pilot whales identified
New research reveals that short-finned pilot whales are not one, but two distinct subspecies, changing our understanding of their diversity.
Scope and benefits of a "Coastal Carbon Observing Network"
WHOI scientists are working with fishing communities toward a coastal carbon observing network made up of fishing vessels with the latest ocean technologies.
How Earth got its water
Water likely arrived in the inner solar system early on, flung by gravity from proto-Jupiter via meteorites, according to research on asteroid Vesta.
OTZ Mixing Pump and Migration Pump
Each night, millions of ocean animals migrate upward to feed, then descend at dawn, actively transporting carbon from surface waters to the deep in Earth’s largest animal migration.
Right whale detection mooring operation
To quiet noisy recordings in rough seas, WHOI engineers created a two-tiered mooring. A bungee-like top line absorbs motion, keeping the hydrophone stable below.
Microbial Life Tree
Genetic analyses trace deep-sea microbes’ diverse metabolic paths across bacteria, archaea, and eukaryotes, unveiling life’s complex tree.
Inuktitut Glossary of Ice
Inuit have created an entire lexicon of words for ice, here are a few examples.
How subterranean water seeps into the continental shelf and into the ocean
When the ice sheets melted, sea levels rose, submerging former coastlines. Aquifers once under land now lie beneath the ocean on the continental shelf.
Isochrysis algae to biofuel and jet fuel
Researchers discovered that the algae Isochrysis can produce both biodiesel and jet fuel by utilizing its unique fats, despite its dark, sludgy oil at room temp.
Jet Fuel from Algae?
Scientists have explored a way to make two types of fuel—biodiesel and jet fuel from different compounds in a single type of algae.
The Equatorial Undercurrent
At the equator, trade winds drive a surface current west, while the cooler, nutrient-rich Equatorial Undercurrent creates upwelling near islands.
Earth and its water coverage in relation to its size
If Earth were a basketball, all its water would fit in a ping pong ball—and drinkable fresh water would be smaller than a popcorn kernel. It’s a rare resource.
The Biological Pump
Used in Oceanus magazine, Vol. 54, No. 1, pg. 19. (Illustration by Eric S. Taylor,…
Interactives
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Plate Boundaries
From earthquakes to hydrothermal vents, see how Earth’s restless plates shape the planet. Click to explore boundaries, fault zones, and seafloor features.
Twilight Zone Basics
The ocean’s twilight zone lies 2001,000 meters deep—cold, dark, and vast. Learn about one of Earth’s largest habitats and a key frontier for ocean science in this interactive.
Vents Around the World
Explore global hydrothermal vents—from mid-ocean ridges to arc volcanoes—and see how confirmed and inferred vents are worldwide.
Exploring Ocean Worlds
Ocean worlds may be common in our galaxy. Modeling and exoplanet discoveries suggest many planets could have oceans, some hidden beneath icy shells.
Carbon Dioxide, Shell Building, and Ocean Acidification
To build shells and skeletons, marine organisms extract calcium ions and carbonate ions from seawater to make shells.
ABCs of Radioactivity
Atoms are made of protons, neutrons, and electrons. Radioactive elements, called radioisotopes or radionuclides, are unstable.
Interactive Tsunami Guide
Learn what causes tsunamis, how warning systems work, and what to do before, during, and after one strikes to stay safe and protect your loved ones.
Pseudo nitzchia Life Cycle
Click through the life cycle of Pseudo-nitzschia, a chain-forming diatom that must reproduce sexually to reset its size—and can make a dangerous toxin.
Dinoflagellate Life Cycle
Explore how dinoflagellates such as Alexandrium reproduce by asexual fission: One cell grows and then divides into two cells, then two into four, and so on.
Underwater Vehicles: How much pressure?
Click the numbers to see how pressure increases with depth—and how much force (in pounds per square inch) underwater vehicles and people must withstand.
Underwater Vehicles: How deep can we go?
How deep can we go? Dive into ocean depths from 1 meter to over 10,000. Learn how pressure, light, and tech shape what we can explore—and how we do it.
Underwater Research Vehicles
Since the 1960s, three key underwater vehicles—AUVs, ROVs, and HOVs—have helped explore the ocean. Click each to discover how they work and why they matter.
The Arctic Ocean Ecosystem
Despite harsh weather and ice, the Arctic Ocean teems with life. Click to explore the rich ecosystem and the animals that depend on sea ice to survive.
Infographics
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Radioisotopes Tracking Tuna Migration
Bluefin tuna born before the Fukushima disaster did not have elevated levels of cesium-134, but those caught in August 2011 did.
How bacteria achieve a "quorum"
How bacteria achieve a “quorum” to coordinate collective behavior (Illustration by E. Paul Oberlander and Katherine Joyce, WHOI, © Woods Hole Oceanographic Institution)
Scope and benefits of a "Coastal Carbon Observing Network"
WHOI scientists are working with fishing communities toward a coastal carbon observing network made up of fishing vessels with the latest ocean technologies.
Inuktitut Glossary of Ice
Inuit have created an entire lexicon of words for ice, here are a few examples.
Infographic depicting radioactive decay chains
All radioisotopes lose energy by emitting ionizing particles such as neutrons, protons, electrons, or photons. Each change follows a unique timetable, or half-life.
Comparison of radioactivity sources in the ocean
The background level of radiation in the ocean varies around the globe. The primary source has been nuclear weapons testing in the Pacific Ocean.
How subterranean water seeps into the continental shelf and into the ocean
When the ice sheets melted, sea levels rose, submerging former coastlines. Aquifers once under land now lie beneath the ocean on the continental shelf.
Jet Fuel from Algae?
Scientists have explored a way to make two types of fuel—biodiesel and jet fuel from different compounds in a single type of algae.
The Biological Pump
Used in Oceanus magazine, Vol. 54, No. 1, pg. 19. (Illustration by Eric S. Taylor,…
Two Chemical Roads Diverge in an Open Ocean illustration
An exploration of how and why manganese oxide deposits form in the environment
The Ocean of Things
The digital ocean ecosystem of the future will rely on a network of underwater vehicles, sensors, and communications systems that will be always on and always connected.
Photosynthesis process featuring its light and dark stages
To cope with fluctuating light levels, many phytoplankton have accessory pigments that can change structure and to send more or less energy to choloroplasts.
Images
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Albert Szent-Györgyi
Albert Szent-Györgyi was a Hungarian-born scientist who spent much of his career at the Marine…
Sphere implosion
A crushed subsurface flotation sphere is pulled from the Southern Atlantic Ocean in 2018. As…
Spitsbergen Walruses
While observing walrus from the shore of Amsterdam Island in Spitsbergen, Norway, several males kept…
Coral Landscape
It’s not a mountain landscape viewed from above. It’s actually Pavona varians, or “corrugated coral,”…
R/V Atlantis recognized by US Coast Guard
In the early morning hours of October 28, 2022, the WHOI research vessel Atlantis responded…
WHOI President and Director Peter de Menocal dives in Alvin
WHOI President and Director Peter de Menocal took his first dive in the research submersible…
Maps
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One connected global ocean
Watercolored map of the global ocean in the Spilhaus projection with regional labels
The Atlantic Meridional Overturning Circulation (AMOC)
Illustrated map of the AMOC, part of global thermohaline circulation, showing warm surface flow, deepwater currents, and key sinking and spreading sites.
Radium rising signals arctic change
Arctic map showing vessel track and coastal transport sources for increased Radium levels measured offshore indicating changing climate conditions.
Titanic debris-field
First map of Titanic shipwreck debris field, provides a detailed layout of the scattered remains, seafloor/ocean characteristics and existing photographs.
Transport of microplastics in the North Atlantic
Global maps illustrating how microplastics may travel through the North Atlantic and Arctic, based on global transport simulations.
Cities and sea level impact
2013 map highlighting 20 cities projected to be at risk due to sea level rise.
Arctic Ocean currents
Detailed map illustrating Arctic currents and the surrounding sovereign regions in flat projection.
Territorial Arctic map
Multiple countries control territories within the Arctic circle, with Russia alone accounting for 53% of the Arctic coastline.
Boundaries of the Arctic region
Map showing Arctic boundaries including the Arctic Circle, tree line, July isotherm, permanent sea ice extent, and surrounding countries.
2011 global hydrothermal vents
2011 map showing the global distribution of hydrothermal vent locations, either suspected or confirmed.
2009 global hydrothermal vents
2009 map showing the global distribution of hydrothermal vent locations, either suspected or confirmed.
Global thermohaline circulation
Map with bathymetry and generalized ocean currents driven by temperature and density differences, forming the global ocean conveyor belt.
Ocean circulation roadmap
Illustrated roadmap of global ocean circulation, with temperature and flow shown as highways connecting gyre “roundabouts” across the world’s oceans.