Divers Search for Tiny Animals in Iceland’s Fissures

Expedition Raw

Divers Search for Tiny Animals in Iceland’s Fissures

Freshwater biologist and cave diver Jónína Ólafsdóttir explores Iceland's frigid fissures in search of endangered micro-life.

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Robot vs. Volcano: “Sometimes It’s Just Fun to Blow Stuff Up” (Exclusive)

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Great White Shark Photo Shoot: Don't Try This at Home

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Meet Warriors on a Mission to Help Lions and Humans Coexist

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A Real-Life Bone Collector: Recovering an Extinct Human Ancestor

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Giant Underwater Cave Was Hiding Oldest Human Skeleton in the Americas

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Close Call: Flipping Iceberg Nearly Crushes Explorers

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Watch a Hungry Bear Catch Salmon

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Watch: Decomposing Dolphin Brings New Life to Seafloor

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Journey Through the Largest Cave in the World

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Watch: Inside the World's Longest Sea Caves

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Watch: Shipwreck Hunter Discovers 500-Year-Old Treasures

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Watch: Polar Bear Charges Nat Geo Photographers

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Exploring Toxic Ice Caves Inside an Active Volcano

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Climbers Get Blasted by Sandstorm 1,000 Feet Up

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How To Celebrate Christmas on a Volcano

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WATCH: Billions of Bugs Feast on Flesh and Dung in Borneo

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This Deadly-Looking Leopard Is Actually Fun to Photograph

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Unsurprisingly, American Explorer Terrible at Milking Cows

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Huge Whip Spiders Wear Nail Polish for Science

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Coyote Chomps on Sleeping Bag … With Explorer Still Inside

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How Not to Get Eaten by a Polar Bear

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Sharks Discovered Inside Underwater Volcano (EXCLUSIVE VIDEO)

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Capuchin Monkey Soap Opera in Costa Rica

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