Cave Diving: Longest Solo Swim
On 3 May 2023, Davide Marchetti broke a world record in cave diving. He did the longest swim in a cave. Here is his story.
On 3 May 2023, Davide Marchetti broke a world record in cave diving. He did the longest swim in a cave. Here is his story.
To be in the water with a southern right whale is a life-changing experience. Don Silcock shares his adventure in Argentina to photograph these majestic marine mammals, where he was lucky enough to see a rare white calf.
The ancient group of marine predators, which first appeared in the fossil record 440 million years ago, are facing a critical juncture in their existence. Though they have been resilient to other mass extinctions, the current one is caused by decades of industrial overfishing along with the growing demands of the shark fin trade. It has put those shark and ray species accessible to fisheries at risk of extinction, with far-reaching consequences for ocean ecosystems.
During an underwater cultural heritage mapping survey in Malta in 2007, researchers noticed an unusual feature in the sonar data. This anomaly stood out due to its size, shape, and the possibility of human-made objects. Further investigation confirmed the presence of an ancient 2,700-year-old shipwreck.