Swim Underwater Without Disturbing the Surface 🏊🏻 #swimming #underwater #challenge

From every perspective, artistic swimming is pure art in motion 🎨 #ArtisticSwimming #Routine #Underwater #highlight

This Giant Seaweed Can Grow Taller Than A 10-Story Building! 🌊 Bull kelp is one of the fastest-growing seaweeds on Earth and can reach an incredible 100 feet (30 meters) in length! It begins life anchored to rocks by a tangled, root-like structure called a holdfast. Although it resembles roots—or even a brain—it doesn’t absorb nutrients like plant roots. Instead, its job is simply to keep the kelp firmly attached against powerful ocean waves. A gas-filled bulb, known as a pneumatocyst, acts lik

$2.8 Billion US Navy fast attack submarine

Submarines actually "breathe" underwater. Why would engineers allow that? Full story above.

US Navy Submarine USS Wyoming SSBN 742 Launches Test an Unarmed Trident II D5LE Missile

Virginia III Submarine vs Chinese Type 055 Destroyer: Tactical Dogfight | Sea Power