Scuba diving
Scuba diving is a form of underwater diving in which a diver uses a self-contained underwater breathing apparatus (scuba) to breathe underwater.Unlike other modes of diving, which rely either on breat...
Scuba diving - Wikipedia
Muses, an Underwater Photography Series, Looks Like Baroque Art
Each striking photo looks like a 17th-century painting come to life.
Free-diving: Johanna Under The Ice
Finnish freediver Johanna Nordblad holds the world record for a 50-meter dive under ice. She discovered her love for the sport through cold-water treatment w...
How Deep Is The Ocean: Incredible Facts 99% Of People Will Never Know
If you have ever wondered how deep is the ocean, you’re gonna love this infographic about the ocean depth and the deepest part of the ocean.
One Breath - The Story of William Trubridge
Triumphing in the dangerous world of freediving is all about mind over matter
Dakuwaqa's Garden - Underwater footage from Fiji & Tonga
Underwater footage shot whilst scuba diving in the Fiji islands and Tonga. Featuring colorful coral reefs, huge schools of tropical fish, sharks, humpback whales, underwater caves, scuba divers and mu...
TOP 10 Amazing Underwater Shots
Underwater photography has a fairly long history. It dates back to 1926 when the first underwater color photograph was taken by a National Geographic photographer. Back than due to limited technical e...
Sea slug that looks like Magic Roundabout's Ermintrude found near Bali
Bright green with pink tips, the unusual critter was captured among other rare species in a stunning collection of underwater photographs by an amateur photographer.
Underwater fashion show "Harmagedon. Psalm 36:29" Jana Nedzvetskaya S/S 2015
Finally! For the first time on our planet most extraordinary and shocking Russian designer Jan Nedzvetskaya (Jana Nedzvetskaya) has implemented a unique exciting show - show of the new season collecti...
Writings ("THE BREATHE UP") | WILLIAM TRUBRIDGE
William Trubridge is the world champion and world record holder in the sport of freediving (breath hold diving). He remains the first and only man to dive to a depth of 100m completely unassisted. W...
AIDA International and Molchanova Family Issue Joint Statement On Missing World Champion Natalia Molchanova – DeeperBlue.com
AIDA International and the family of missing World Champion Freediver Natalia Molchanova has issued a formal statement regarding her disappearance whilst Freediving in the Mediterranean near Ibiza. Yo...
Total Jerks Use Shark As Living Surfboard
The decision to harass a whale shark like this is baffling for a number of reasons. Whale sharks are classified as vulnerable by the International Union for the Conservation of Nature (IUCN), and inte...
Bottlenose Dolphin Rescue
A Bottlenose Dolphin needed my help to get a fishing hook and line of it's left pectoral fin.
Whale shark sucks fish out of hole in fishing net
On a recent expedition to Indonesia's Cendrawasih Bay, Conservation International's Mark Erdmann learned how whale sharks often congregate around bagan (lift net) fishing platforms to eat the small si...
Guillaume Néry playing at NEMO 33, deepest swimming pool in the world
Guillaume Néry playing in the deepest swimming pool.
Ocean gravity - Les films engloutis
Ocean Gravity is a short film that turns underwater codes upside down and plunges us this time into a weightless world. Just like in space, there is no more up or down, no more right side up or upside...
Free-diving
Freediving, free-diving, or free diving is a form of underwater diving that relies on divers' ability to hold their breath until resurfacing rather than on the use of a breathing apparatus such as scu...
Free-diving - Wikipedia
Diving regulator
A diving regulator is a pressure regulator used in scuba or surface supplied diving equipment that reduces pressurized breathing gas to ambient pressure and delivers it to the diver. The gas may be ai...
Diving regulator - Wikipedia
Breathing gas
A breathing gas is a mixture of gaseous chemical elements and compounds used for respiration. The essential component for any breathing gas is a partial pressure of oxygen of between roughly 0.16 and ...
Breathing gas - Wikipedia
Diving suit
A diving suit is a garment or device designed to protect a diver from the underwater environment. A diving suit may also incorporate a breathing gas supply (i.e. Standard diving dress or atmospheric d...
Diving suit - Wikipedia
Underwater vision
Light rays bend when they travel from one medium to another; the amount of bending is determined by the refractive indices of the two media. If one medium has a particular curved shape, it functions a...
Underwater vision - Wikipedia
Dive computer
A dive computer, personal decompression computer or decompression meter is a device used by an underwater diver to measure the time and depth of a dive so that a safe ascent profile can be calculated ...
Dive computer - Wikipedia
Diving hazards and precautions
Divers face specific physical and health risks when they go underwater with scuba or other diving equipment, or use high pressure breathing gas. Some of these factors also affect people who work in ra...
Decompression sickness
Decompression sickness (DCS; also known as divers' disease, the bends or caisson disease) describes a condition arising from dissolved gases coming out of solution into bubbles inside the body on depr...
Decompression sickness - Wikipedia
Nitrogen narcosis
Narcosis while diving (also known as nitrogen narcosis, inert gas narcosis, raptures of the deep, Martini effect), is a reversible alteration in consciousness that occurs while diving at depth. It is ...
Nitrogen narcosis - Wikipedia
Oxygen toxicity
Oxygen toxicity is a condition resulting from the harmful effects of breathing molecular oxygen (O2) at elevated partial pressures. It is also known as oxygen toxicity syndrome, oxygen intoxication, a...
Oxygen toxicity - Wikipedia
Hyperbaric medicine
Hyperbaric medicine, also known as hyperbaric oxygen therapy (HBOT), is the medical use of oxygen at a level higher than atmospheric pressure. The equipment required consists of a pressure chamber, wh...
Hyperbaric medicine - Wikipedia
Rebreather
A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content of each breath. Oxygen...
Rebreather - Wikipedia
Diving bell
A diving bell is a rigid chamber used to transport divers to depth in the ocean. The most common types are the wet bell and the closed bell.The wet bell is a cable-suspended chamber, open at the botto...
Diving bell - Wikipedia
Deep diving
Deep diving has different meanings depending on the context. Even in recreational diving the meaning may vary:Deep diving can mean something else in the commercial diving field. For instance early exp...
Deep diving - Wikipedia