Liivand, also known as “Eco Mermaid,” broke a Guinness World Record in May by completing a 26.22-mile swim using a silicone monofin. The champion ice swimmer and marine conservationist ...

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 ...

First Cookie helps me strap the monofin — like a flipper for both of your feet — around my ankles. Then she demonstrates how to pull on my borrowed tail, which is made from Spandex swimsuit ...

A 10 time Guinness world-record holding, real-life mermaid made her way to the coast today with a particular message in mind, cleaning up our waters.

“I asked him, ‘Did you ever use a monofin in your training?’” Mix recalled. “He said, ‘I don’t know what a monofin is.” Mix shared a monofin he had brought back from ...

This so-called monofin, made by Lunocet, displaces water more efficiently than human feet do, and it should add several miles per hour to Phelps' speed, according to the company. [See Photos of ...

Phelps wore a monofin to help him swim through the water like a shark. — -- The most decorated Olympic athlete of all time competed against one of the world's top predators in the one thing ...

"I've been mermaiding since I was a little kid — in my head," she said. "I got my first monofin in 2018 and fell in love with it." A monofin is a single fin attached to both feet to help her ...

Ukrainian athlete Kateryna Sadurska triumphed at the World Freediving Championship in Kalamata, Greece, setting a new record in monofin diving, citing the official website of the competition.

Dressed in a thick, blue wet suit and gloves, he slid into a monofin then slipped into a square, 3 meters by 3 meters, cut in the ice, where he clipped onto a thin rope that disappeared into the ...

By Adam Skolnick One morning this month, on the warm waters of the Red Sea off the coast of Egypt, Alenka Artnik donned a thin purple wet suit and a monofin, secured a four-pound weight around her ...