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coral reefs

Corals and Coral Reefs
Image: Smithsonian

Corals and Coral Reefs

Coral reefs — home to a quarter of all the marine species in the world — are one of the most amazing and dynamic habitats anywhere.

Explore these "rainforests of the ocean" to find out why they're very important to people, who are also coral reefs' greatest threat.

Smithsonian
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The Coral Reef Game

The Coral Reef Game

Good or bad? This game let's you explore a reef and decide if certain practices will have a positive or a negative impact on the coral and other organisms living there. Good luck! More...

Game
Explore Australia
Interactive Coral Reef Panoramas

Interactive Coral Reef Panoramas

Do you want to see one of Earth's most diverse ecosystems, but don't live near the ocean? Check out these interactive panoramic views of major coral reefs. More...

Interactive
WIRED
Coral Reef Connections

Coral Reef Connections

When resources become scarce, competition increases. Discover some coral reef competitors in their continuing struggle for survival: dolphin vs. fish, slug vs. sponge, cuttlefish vs. cuttlefish. More...

Article
WGBH/PBS
Dead Reefs Can Come Back to Life, Study Says

Dead Reefs Can Come Back to Life, Study Says

You may have heard that many of the world's coral reefs are dying. And dead is dead, right? Maybe not. Read on to learn why some scientists think it is possible for dead reefs to live again. More...

Article
NPR
Mimi’s Research

Mimi’s Research

Scientist Mimi Koehl explores the biomechanics of tiny creatures in their ocean environment. Discover how scientific exploration for her is like being a detective. More...

Profile
University of California, Berkeley
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Coral Nighttime Battle

Coral Nighttime Battle

Think you know what a coral reef looks like? You haven't seen anything like this! Click on the video to see what really happens on a reef at night. The aggressive corals might surprise you. More...

Video
Animal Planet
Coral Reefs: Great Barrier Reef

Coral Reefs: Great Barrier Reef

Explore the Great Barrier Reef off the coast of Australia without a snorkel, oxygen tank, or passport! More...

Video
National Geographic
Storms, Starfish, and Warmer Waters Wiped Out Half of Great Barrier Reef Coral

Storms, Starfish, and Warmer Waters Wiped Out Half of Great Barrier Reef Coral

What's killing the coral on Australia's Great Barrier Reef? Starfish are partially responsible, but there's a bigger story here. A coral reef biologist explains the natural and human-related factors linked to its alarming decline. More...

Video
PBS NewsHour
The Effects of African Dust on Coral Reefs and Human Health

The Effects of African Dust on Coral Reefs and Human Health

What are the chances dust from African deserts is impacting coral reefs in the Caribbean? View these photos of reef changes in recent decades, then explore the rest of the site. More...

Images
U.S. Geological Survey
The Sant Ocean Hall: Coral Reef Interactive

The Sant Ocean Hall: Coral Reef Interactive

Thousands of tourists travel to coral reefs in the Caribbean each year. Work through this activity to learn how this impacts the ecosystem, local residents, and tourists alike. More...

Interactive
Smithsonian
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Underwater Eco-Adventure

Underwater Eco-Adventure

Discover why it's important to protect aquatic biodiversity and coral reef health with the SciGirls. More...

Video
SciGirls/PBS
What Is an Artificial Reef?

What Is an Artificial Reef?

While rocks, cinder blocks, and even old tires can be used to make artificial reefs, the most common form are submerged shipwrecks. These vessels are now home to sponges, corals, and more. More...

Article
NOAA
World’s Coral Reefs Facing Serious Threats

World’s Coral Reefs Facing Serious Threats

Fragile ecosystems. We hear that more and more. And coral reefs are among the most fragile. Read on to learn about the specific threats facing the ocean's coral reefs. More...

Article
NPR

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