(CNN) — When Merle Liivand first started swimming with a monofin to help with her breaststroke practice, she never could have imagined it would one day lead her to becoming a Guinness World record ...

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The Little Mermaid famously sang “flipping your fins, you don’t get too far.” Apparently, she’s never seen Merle Liivand swim. Liivand, also known as “Eco Mermaid,” broke a Guinness World Record in ...

A captain needs friends at sea. Every day we venture forth onto Mother Nature’s dance floor we call the sea, never absolutely certain what adventure or harrowing experience lies just over the horizon.

Marineland Dolphin Adventure has evolved into an immersive, one-on-one, swim-with-the-dolphins experience. I have always been curious about those attractions where you can swim with dolphins. People ...

KEY LARGO, Fla. ― Fourteen-year-old B.B. is a bit of a showoff. A superstar athlete able to swim faster and jump higher than the other five bottlenose dolphins at Dolphin Life Key Largo (formerly ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet initiative has ...