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Algae, like all organisms, normally grow in balance with their ecosystems, limited by the amount of nutrients in the water. But sometimes, certain species of algae reproduce so rapidly that they cause damage. In...
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How do we know where ocean animals swim day and night? Scientists are getting...
Bycatch, the name given to fish and other ocean animals that are caught...
Sea turtles may have survived the planetary changes that killed the dinosaurs,...

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On March 1, 1954, the United States military tested nuclear bombs in the ocean around Bikini Atoll in the Pacific Ocean to see what kind of damage they would do to ships. The largest explosion was set off 90 feet underwater:...
“It’s a little appreciated fact that most of the animals in our ocean make...
Inside the control van for the remotely operated vehicle (ROV) Jason , Dr...

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Studies along the Northwest Atlantic Ocean shelf break- the transition from continental shelf to slope- by researchers from...
Brian Skerry warily stares down his photography equipment on board the vessel Nai'a on an expedition to the Phoenix Islands. Read about the patience it takes as a traveling photographer and the work...
Microbes are some of the most important organisms in the sea. These miniscule organisms provide an important link in the food web between the dissolved nutrients in the ocean and larger organisms...
The Hanse Explorer crew used a remotely operated underwater vehicle, or ROV , capable of diving to depths greater than 300 feet (91 meters). The ROV helped the crew document life in the waters off...
This radio device is used to track North Atlantic right whales. Suction cups hold the device to a whale's back, where it records data such as depth, water, temperature, and underwater sounds. These...
Take a tour of the Alvin, a three-person submersible that allows scientists to explore the depths of the ocean. This is an excerpt from the full Deep Ocean Explorers video. More about deep ocean...
Alvin, a human occupied vehicle (HOV), returns to the ship after a deep ocean dive to a seamount .
The bright, brilliant swirls of blue and green seen from space are a phytoplankton bloom in the Barents Sea. Phytoplankton can bloom like this, rapidly growing and reproducing, because of a sudden...
NOAA is working with students across the globe to place floating buoys throughout the ocean through their Adopt a Drifter Program . The buoys will drift with the help of ocean currents and record the...
Watch a Discovery video on Smithsonian squid expert Clyde Roper’s search for giant squid in Kaikoura Canyon off the coast of New Zealand. More about giant squid can be found in our Giant Squid...
John Hildebrand discusses his research at the Scripps Whale Acoustic Lab on the FLIP platform. Learn more about how scientists are using bioacoustics to study and protect whales .
Inside the control van for the remotely operated vehicle (ROV) Jason , Dr. Brendan Roark and colleagues watch the ROV collecting deep-sea coral specimens. No scientists dive down with their ROV, so...
Leatherback sea turtles ( Dermochelys coriacea ) are listed as critically endangered by the IUCN Red List of Threatened Species. The primary threats to leatherbacks are interactions with fisheries...
This Japanese research ship Chikyu drills into the ocean floor to learn about Earth’s history and structure, and the mechanism of earthquakes in particular. Completed in 2005, it is the first...
An estimated 1.8 billion people will suffer from water scarcity by 2025. Looking for sources of water is becoming important and with oceans containing around 97% of Earth’s water, it would be nice if...
The spiral-tufted bryozoan ( Bugula neritina ) is being studied for a potential Alzheimer's disease and cancer drug -- but it's not the bryozoan that makes the chemical. The chemical, found in the...
Omoo, a Great White Shark ( Carcharodon carcharias ), carries a satellite tag that sends information daily about her movements across the Pacific. Follow her migration real-time . More about the...
Smithsonian zoologists inside the Curasub , a 5-person submersible. They're exploring the biodiversity of the deep reefs off Curaçao in the southern Caribbean. Read more and watch videos about the...
The Arctic is one of the most remote and uncharted areas of the world. With all the amazing discoveries hidden in the ice and water, Arctic exploration is truly a new scientific frontier.
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