It's Shark Week! Tune in to hear 'Hooked on Sharks,' the latest episode of 'On the Line,' a new podcast from our colleagues at NOAA Fisheries. 'On the Line' features interviews with NOAA scientists who study fish, marine mammals, and other ocean life. In 'Hooked on Sharks,' we hear about a research project to see if a special type of hook can help vulnerable populations of sharks to survive.

Coral reefs are under intense pressure from climate change, pollution, and unsustainable use. So what can we do about it? To answer that question, we need to better understand the main threat to our reefs. Humans. Join us for a discussion about the social side of protecting coral reefs with scientist Peter Edwards from NOAA's Coral Reef Conservation Program.

In this video podcast, see how real-time ocean data is aiding Coast Guard search and rescue operations.

It's hurricane season. Are you prepared? Find out with this video from NOAA's Ocean Today.

How do we measure elevation changes in estuaries--marshy areas where land elevations are constantly shifting? How will sea level rise affect the flora and fauna that live in these places? See how National Geodetic Survey experts are laying the groundwork to help answer these challenging questions at Waquoit Bay in Mass.

In this video podcast, learn what ocean acidification is, how it's affecting marine life, and how NOAA tools are helping people monitor and adapt to changes in ocean chemistry.

In this episode, watch a video about marine protected areas in North America produced by the Commission for Environmental Cooperation, a partnership between the U.S., Canada, and Mexico.

In this episode, we introduce you to a new occasional podcast series called 'Sanctuary Shorts' from our National Marine Sanctuaries office. Host Matt Dozier tells us about a pioneering effort to dive on Cordell Bank in the late 1970s and a returning mission nearly 30 years later.

In this episode, watch the first installment of a new three-part video series from NOAA's Ocean Today about the role of ice in our ocean. What is sea ice and why is it shrinking?

In this episode: learn about the Challenger mission, an effort from the U.S. Integrated Ocean Observing System and Rutgers University to send ocean gliders around the world. We then look back to the 2009 Scarlet Knight mission, the first successful ocean glider crossing of the Atlantic. We end with a screening of a teaser from the 2010 documentary 'Atlantic Crossing: a robot's daring mission.'

Think you know the ocean? In this episode, we showcase an Ocean Today video that answers many commons questions about the body of what that covers 70 percent of our Earth.

We've got an oldie but a goodie lined up for the final podcast of 2012. Did you know that the National Ocean Service helps to ensure that Santa doesn't get lost on his journey around the country on December 25th. Here's an episode that originally aired way back in 2008 about Santa and the National Geodetic Survey. Enjoy!

NOAA's Ocean Today just launched its 100th video! In this episode, we highlight this achievement and showcase the latest video from Ocean Today about an effort to promote safe and responsible whale watching.

NOAA and independent scientists recently discovered rocky reef habitats in an area of NOAA's Gulf of the Farallones National Marine Sanctuary at depths reaching 457 meters meters--places where corals and sponges had not been seen before. Did you know that corals, sponges, and countless other creatures thrive in the deep ocean--in places where sunlight doesn't reach? In this episode, learn more about the fascinating world of deep sea coral habitats in 'Coral Forests of the Deep,' a video from...

We’re celebrating the 40th anniversary of what some call the most important national coastal legislation you've probably never heard of. It’s called the Coastal Zone Management Act (CZMA). We're joined by Laura McKay, Virginia's Coastal Zone Program manager, who talks about an eelgrass restoration project along Virginia’s eastern shore made possible by this Act.

This month marks the 40th anniversary of the signing of the National Marine Sanctuaries Act, which created our nation's national marine sanctuary system. What are sanctuaries? How do these special areas help to protect and conserve our ocean? We have a NOAA Ocean Today video for you in this episode to put this milestone in perspective.

We've all heard that hurricanes are one of the most powerful and destructive forces on Earth. But where do they get their strength? You’ll find the answer on this episode of Making Waves. Tune in to watch a brand new video from NOAA’s Ocean Today called 'Fuel for the Storm.'

Have you ever been to Four Corners? It’s the only place in the U.S. where four states meet at one point. A few years back, there was some confusion over the position of a monument at Four Corners that marks this spot. Some reports claimed that the position of this marker was off by two and a half miles. Today, we’re revisiting a 2009 interview with Dave Doyle, chief geodetic surveyor from NOS’s National Geodetic Survey. As you’ll hear, Four Corners is exactly where it’s supposed to be -- and...

Take three minutes out of your day to watch a video from NOAA's Ocean Today about marine protected areas in North America.

How much do you know about NOAA’s navigation services? In this episode, Dr. Holly Bamford, National Ocean Service Deputy Assistant Administrator, talks about ‘positioning America for the future,’ an effort to focus NOS navigation services on upcoming challenges as coastal populations grow, sea levels rise, maritime commerce increases, and new navigation routes open up in the Arctic.

It’s the end of May -- and that means it’s not only the start of the summer season, it’s the beginning of hurricane season. Most people know that NOAA’s National Weather Service plays a huge role when hurricanes threaten our coasts, but what role does NOAA’s National Ocean Service play? Find out in this episode -- and learn about some of the online tools and information that you can use before, during, and after hurricanes strike.

Take three minutes out of your day to watch a video from NOAA's Ocean Today. In this episode, learn about the effect of black carbon -- better known as soot -- on Arctic climate.

One hundred years ago this month, the RMS Titanic sank after striking an iceberg on her maiden voyage from the United Kingdom to New York City. Nearly three-quarters of the 2,200 people on board the ship perished. In recognition of this anniversary, this episode features a moving interview with Jim Delgado, Director of Maritime Heritage with NOS's Office of National Marine Sanctuaries. This is the second half of a two-part interview.

One hundred years ago this month, the RMS Titanic sank after striking an iceberg on her maiden voyage from the United Kingdom to New York City. Nearly three-quarters of the 2,200 people on board the ship perished. In recognition of this anniversary, this episode features a powerful interview with Jim Delgado, Director of Maritime Heritage with NOS's Office of National Marine Sanctuaries. You don't want to miss this one. This is the first half of a special two-part series.

NOS's National Geodetic Survey is conducting a study on the National Mall to help the National Park Service understand the settling and shifting of the ground underneath the monuments on the National Mall, particularly after the August 2011 earthquake. Tune in to our interview with Dave Doyle, NGS Chief Geodetic Surveyor, to learn more.