In butterfly, shoulder flexibility can facilitate the arm recovery and can save energy for the important underwater pull. |
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All strokes are videotaped underwater with video analysis of campers' strokes. |
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The bacteria-like organism lives in a hellish undersea environment where water boils out from underwater vents called black smokers. |
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Sea squirts spend most of their lives attached to underwater rocks, sifting tiny particles of food from the water around them. |
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I flipped somersaults and bumped blindly into various other bodies and boards as I traveled toward shore underwater. |
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Oil companies are also hopeful that the system will save them millions by detecting strong underwater currents that can stress oil rig platforms. |
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A treasure trove of undiscovered marine life has been found on an underwater mountain top in the Caribbean. |
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You need to call your lender if you're either underwater on your mortgage or behind and you need help. |
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If the lake is shallow there can be a very strong underwater tow, whether the wind is blowing or not. |
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Some of the considerable biodiversity of corals may come from underwater versions of mules, say researchers. |
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Well, in a landscape so void of life above water, the underwater contrast is huge. |
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He is passionate about both diving and underwater photography and does not want to let me down. |
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Votier says he's seen a skua catch a bird and hold it underwater to drown it. |
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We were on the rock and had to deflate the boat underwater to reduce the pressure the water was exerting upon the boat. |
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The penguins can be viewed, not just from a sloping arena but also from underwater viewing areas. |
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Their services were regularly required for underwater building and repairs around the city. |
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Many thousands of acres now lie underwater or are so wet that they will be inaccessible for many months. |
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The police helicopter and the force's underwater search unit were also bought in to assist. |
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And if you go in for underwater photography, take three times as much film as you think you need. |
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Police officers have combed the area with dogs and an underwater team has searched the canal near his work. |
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Meanwhile, officers were waiting for an underwater team to arrive to begin a search of nearby ponds. |
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In her spare time, she is a keen sports diver and underwater archaeologist. |
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He planned to shatter the world record for time spent underwater by a single person using scuba equipment. |
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He'd just returned from scuba diving in the Red Sea where he clocked up many a mile of underwater exploring. |
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This is basically an underwater parachute which fills with water and slows the boat down. |
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The voice penetrated my deep cloud of sleep, a silvery bolt of lightning flashing through the underwater dream-currents. |
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We were chasing an underwater target and having a good time, using sonobuoys before moving in for the kill with the dipping sonar. |
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While on the subject of canyons, there are some really spectacular underwater canyons off Great Dog Island to the west of Tortola. |
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This underwater fleet rapidly surfaced and diminished as vessels were cannibalized to keep their sister craft operational. |
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A canoeist who can read a river and avoid underwater obstructions is a priceless companion on any river trip. |
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Most of the shots of the old man under the sea were done in the dark or underwater, so the cheapness of the model is generally masked. |
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The nylon line that anglers use frequently breaks when hooks become snagged on underwater obstructions or bankside vegetation. |
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Subjects may hyperventilate for several minutes before diving to increase underwater time. |
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Now, those pumps could themselves be underwater if the river overflowed its banks. |
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While the animals lack sonar, they do posses superb directional underwater hearing and the ability to see in near-darkness. |
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The SUNS system can determine positions underwater by the use of small buoys which broadcast the position and time references by sonar signals. |
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In this film there are no underwater shots of marine life in its natural habitat. |
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These are important, not to find fish so much as underwater islands and plateaux in deeper areas just off shore. |
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It was raining and the light was poor, but underwater visibility wasn't bad. |
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I learned how to hold my breath underwater, blow bubbles out my nose, and kick. |
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Exceptional water clarity, which is a norm for the northwest Hawaiian region, facilitated effectiveness of the underwater observations. |
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He charged that the underwater ceramics were excavated and treated unprofessionally by the salvage companies. |
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One of the most peaceful places on earth is actually 15 metres underwater on the Great Barrier Reef. |
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Divers from all over the world enthuse about the underwater flora and fauna found in the depths of Cork's best dive sites. |
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He's been down in every imaginable piece of diving gear known to man as well as a wide array of underwater submersibles and crafts. |
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Armed men hijack the vehicle when Dr. Quest is away, taking Race and Jonny to an underwater base. |
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When anchored underwater, file snakes are able to strike at passing fish on the menu. |
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Detectives launched a hunt for the Leeds University student involving underwater search teams, mounted officers and sniffer dogs. |
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Atholville, New Brunswick, lay underwater in a coastal estuary, a brackish fresh and salt water environment teeming with life. |
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In fact, I feel like I've been off of work for about a year, and that year was spent working on a chain gang or holding my breath underwater. |
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But Stan was not there to do anything more than simply be one of the boys, shooting more underwater video footage for himself. |
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The locations of the mines were then confirmed using underwater navigation and communications technology. |
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Our first glimpse of the underwater world, implied through a perspective of giant rings, has a Wagnerian grandeur. |
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It is a much larger bird than the waterhen and it is intriguing to watch it as it conducts its underwater manoeuvres. |
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They dive from the water's surface to pursue prey underwater, propelled by powerful, webbed feet. |
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The array tube is filled with mineral oil to create neutral buoyancy, allowing the array to float behind the underwater towing vehicle. |
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He is responsible for teaching students how to properly take X-rays of welds to ensure they will stand up to underwater stress. |
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Fabroc is currently being used for outdoor clothing of all types including underwater wetsuits for deep-sea use. |
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One by one, she held them underwater in the kitchen sink before dumping their bodies in plastic bags in her wheelie bin. |
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He might surface, gasp for air and taunting by his pirate comrades and then be keelhauled back underwater. |
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A seal has come to join us, and of course to demonstrate to us its superior underwater agility. |
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For 35 years he was a diver, and spent much of his time underwater exploring the wrecks of ships swallowed up by the vast ocean. |
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Thrashing the water with opened wings, the bird repeatedly disappeared completely underwater. |
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This simple demonstration provides an understanding of refractive lens power and promotes a discussion of why a mask helps you see underwater. |
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When a mother yapok dives underwater, her baby is saved from drowning by a waterproof pouch. |
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Diving beetles typically have natatorial legs as they spend most of their time underwater. |
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This prohibited nuclear testing in the atmosphere, in outer space, and underwater. |
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It is amazing how long this woman can hold her breath and work hard underwater. |
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When she got down to the pool, Liam was underwater, doing a few laps down the length of the pool. |
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My friends seem to spend an inordinate amount of time inside wind tunnels, aboard locomotives, and underwater. |
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Mining often is carried out underwater and one could avoid the water by building bunds and so on. |
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Anhingas are very similar to Cormorants. They are both diving birds and can swim quite a distance underwater to catch fish. |
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Easier to watch were the anhingas,who between long dives underwater swam with nothing but their snaky necks and heads above the water's surfaces. |
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You can jump in the water right away with an instructor and witness the most astounding underwater plant and animal life in the Caribbean. |
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The other way to take in the amazing variety of underwater sites that line the leeward side of Bonaire is by shore diving. |
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I decided to attempt to swim two lengths of the pool underwater on a single breath, a feat that I have accomplished a couple of times before. |
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Store cameras and lenses in padded cases and, in very damp environments, in locking plastic bags or even underwater housings. |
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The world's only accurate detection system today is spread along the three major underwater fault lines in the Northeastern Pacific Ocean. |
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The scientists say it is the first time that such a complex life form has been found living in an underwater volcano. |
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Fixed surface platforms, submarine power cables and underwater tanks are all existing technology. |
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For underwater sabotage missions, each diver can carry a limpet mine to attach to the hull of enemy watercraft or docks. |
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All would seem to have ended well, but I must act before this new underwater procedure of tying your aqualung down spreads into other waters. |
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These and numerous other aquatic creatures and plants comprise a composite underwater stream ecosystem of the southeastern United States. |
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Gavin took the end of the rope and, with an impressive lack of hesitation, disappeared underwater. |
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For the recording of swimmers' movements on tape you can use normal video equipment with special underwater system. |
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During the Cold War, the U.S. established a super secret underwater listening post at Midway in an attempt to track Soviet submarines. |
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That way you guys could save floundering swimmers and litigiously solve underwater fish murders. |
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Now and then a pair of lobsters, plated in Prussian blue, jousted in their underwater dungeon. |
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Mirrored projections face each other, pulsing like an underwater shot of baleen, white tissue-like net moving in and out. |
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But the underlying investments could be at least 20 per cent underwater because of bad stock markets. |
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But a surprising number of deaths are also caused because manatees have no fear of Florida's underwater canal gates and locks. |
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Orange roughy were found in concentrations in some locations, but underwater pinnacles and other obstructions made trawling very difficult. |
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He writes articles for newspapers and magazines on travel, scuba diving, underwater photography and heritage photography. |
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For aspiring underwater photographers the road to success is littered with obstacles. |
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Explore coral formations, underwater walls and sheltered caverns aswarm with fish of all colors. |
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The web implants were fairly simple to master, and significantly increased speed of movement underwater. |
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With more than half of all stock options granted in the '90s underwater, you can bet the boss is finding other ways to get paid. |
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The decline had partially filled with tailings and other debris while underwater, necessitating significant rehabilitation. |
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They were not quick enough to escape the sudden underwater avalanches during the Flood, and paid the price. |
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Despite the size of the sharks, she felt at ease in the underwater environment and helped clean the tank and feed the aquariums other fish. |
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If water is made up of hydrogen and oxygen, why can't we breathe underwater? |
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I think our underwater streamline sprints have had a lot to do with that record. |
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Free masks, flippers and snorkels are usually on offer, but we were late in the day and the underwater guides had headed off to their beers. |
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He went under again, heading to the far side of the pool, his legs scissoring and his arms moving like underwater wings. |
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It has powerful arms and tentacles, excellent underwater vision, and a razor-sharp beak that easily tears through the flesh of its prey. |
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Also, items made of the wartime plastic-like Bakelite material had passed the underwater test of time in very good condition. |
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These underwater rock piles run perpendicular from shore toward the channel to divert water to help scour the channel. |
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The children had been tossed around underwater but managed to get to their feet and scramble to higher ground. |
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They pose balletically in studios, chase each other underwater, admire themselves in store windows. |
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Now if I look like a heffalump underwater, I have no one to blame but myself. |
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Methane is often called marsh gas because it forms in swamps and marshes from the underwater decomposition of plant and animal material. |
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The second fan generated a semblance of underwater movement in Atlantic, scrim rippling along the flow. |
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Try-dives are organised to give anyone interested a taste of breathing underwater using a scuba unit in a safe, controlled environment. |
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They use their vibrissae as sensing organs underwater to monitor the movements of fishes and other prey. |
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A young seal pup appeared from nowhere, performing an underwater ballet for our benefit. |
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These thick mats of seaweed create underwater jungles that are home to fish, urchins, and other marine life. |
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The centre offers diving, spearfishing, underwater photography, and simply sailing. |
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Most boat owners apply anti-foul paint to prevent barnacles and other marine growth from attaching itself to the underwater hull. |
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Do you know that in Nevada 70 percent of the home mortgages are underwater? |
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As larvae, the mayflies have spent two years feeding and growing underwater but now it is time for them to begin their brief lives in the air. |
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Four years later though, and I was the only one still thrashing around in the shallow end, terrified of getting his head underwater. |
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The deadpan vocals are suitably dark but lack the power to cut through the layers of underwater guitar and bass. |
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Others say that the squid deaths have been caused by underwater seismic surveys using air guns. |
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It wasn't long before I began to predict the frogs' underwater routes by watching the wakes left by the powerful thrusts of their hind legs. |
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One version, now seen as discredited, suggests it was made possible by a tidal wave caused by an underwater volcanic eruption. |
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So don't expect too much in the way of pelagics, just enjoy the spectacle afforded by man's own contribution to the underwater environment. |
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In these steep underwater cliff areas were chimneys of gravel that contained datolite nodules. |
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From the claustrophobic setting of an underwater oil rig to the potential nuclear meltdown each scene slowly tightens the screws of suspense. |
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The sediments that form tombolos often form in ridges along an underwater wave-cut terrace. |
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On November 3 an underwater path to safety was marked with stakes and lined with a chain of small boats crewed by firefighters. |
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The software giant decided not to cancel its underwater options because of the accounting consequences and, instead, just granted new ones. |
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There are homing rockets, underwater torpedoes, water mines and cannon shells plus a few others to hunt down enemy boats. |
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The rangers set up underwater microphones attached to amplifiers on the jetty. |
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If you have trouble with water going up your nose breath out whilst your underwater or consider using a nose clip. |
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I pulled my head up from underwater and gasped air, shaking water out of my hair in a spray of droplets. |
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Its members have been checking underwater structures and helping the Coast Guard patrol the harbor whenever a cruise liner berths. |
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More than 200 officers will be drafted in for crowd control, backed up by an underwater unit, mounted police and a helicopter team. |
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She said the divers will have to work with the tides and underwater visibility to do their job. |
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Much trade was lost during the floods because people believed the entire city was underwater. |
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The next steps involve the whole stroke, removing the fins, underwater kicking to stroke start and finally the block start. |
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But you try doing the splits upside down with your head underwater and all the while keeping a smile on your face. |
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In completely blacked-out underwater conditions, two divers conducted a tactile search to locate a sunken Iraqi minelayer with her deadly load. |
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But what makes it even more unique is its transparent fabric, which allows for amazing underwater viewing. |
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I'd like a pygmy hippo for overland journeys, and a manatee for underwater travel. |
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Shallow water bridge inspections are performed by State Inspection Teams using sounding rods and underwater cameras. |
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The trawl net is like a long bag, and dragged underwater behind the trawler for about four hours. |
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Unesco has adopted a new cultural convention to protect historic shipwrecks and underwater artefacts from pillaging. |
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When you're not underwater, coat yourself in deet or be eaten alive by bloodthirsty blackflies. |
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Open-ocean travelers-such as whales, tuna and sharks visit the underwater mountains on their migratory routes. |
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So of course, we start swimming toward it because I wanted the underwater camera guy to shoot me in the foreground of this shark. |
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Splitting her time between homes in Knightsbridge and Gloucestershire, she swims her daily 30 lengths in a swimming pool fitted with underwater speakers. |
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Early morning swimmers, those in the club for competition, water polo, canoe polo, underwater hockey, and mere sun lovers all find what they want at the town's aquatic centre. |
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These particular tonguefish seem to specialize in living right at the openings of the underwater volcanoes in places most fish would, and do, die. |
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Did NBC inadvertently air an underwater flash during live coverage of a women's water polo game? |
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One old soldier is on the path to a doctorate in mathematics and another is a trained underwater welder. |
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The underwater cleanup was the second combined effort of its kind organized by the city administration, the local community and the private sector. |
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The primary structure of steel arches was chosen to span a cavernous underground cistern, part of the city's drainage system, and avoid underwater foundations. |
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Mr Metcalf, who was based at Ramsbottom Fire Station, dived for the boy but his rope became snagged on an underwater branch and he became submerged himself. |
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Capturing a manatee is like lassoing a bucking bronco, only underwater. |
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We clambered out of the water after some serious underwater rock climbing. |
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They have confirmed that an underwater investigations have identified hairline fissures on the A-frame structures which support the propellor shafts. |
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As your body undulates with a powerful underwater dolphin, make sure your energy is directed forward by keeping the hands and arms as level as possible. |
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But according to the lps data, underwater borrowers are also prepaying at a much faster clip. |
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The gen X-y video boasted a giant cannonball rolling down suburban streets, as well as front woman Kim Deal singing underwater. |
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We lost all navigational and wireless aids and spent the next hour or so seeking out emergency landing strips, but those we located were underwater. |
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Some interesting exceptions to the correlation between body size and pneumaticity occur in birds that dive underwater to feed, such as grebes, loons, and penguins. |
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Stern horizontal rudders levelled off the submarine underwater. |
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They were over land, at least, so they wouldn't asphyxiate underwater. |
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Underneath the most placid waters, there are vicious currents and tides, and underwater volcanoes that are constantly erupting. |
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People are being forced to seek modifications for their underwater mortgages, watch retirement savings wither and choose between medicine and meals. |
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Their bones are very strong to withstand the underwater pressure. |
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Reading Pygmy is like trying to do a crossword puzzle while riding a horse underwater. |
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They were primarily used to attach limpet mines to moored ships, bridges, and so on and also for clearing underwater obstacles with plastic explosives. |
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In 2006, Taylor began installing his first major underwater construction in Grenada. |
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When the crew travels underwater, they discover a land where the mermen and merwomen speak a Southern American drawl. |
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However, in films of murres underwater, relative upstroke speed and thrust appear to be greater during vertical descent against high buoyancy than during horizontal swimming. |
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For three weeks, he's been on assignment for a hydroelectric company, surveilling their underwater power cables that stretch from the mainland to Vancouver Island. |
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These things are now being used as AUVs, autonomous underwater vehicles. |
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During the Antarctic spring adults congregate in nearshore colonies, where females give birth to a single pup and males vie for underwater mating territories. |
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They suggest that fish are very rare in Cambrian and Ordovician rocks because they were active swimmers and could generally escape from the underwater avalanches. |
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Divers can explore the underwater wonders of Eastern Indonesia on seven to eight days cruises to the islands of Komodo, Alor, Flores, Sumbawa and Lombok. |
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Also, only in the underwater optical environment do the illuminant and background change independently of each other, creating complex problems for crypsis. |
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They show adaptations for underwater swimming, including flattened tarsi and humeri, and shorter wings and higher wing-loading than most other petrels. |
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While attempting to pull a bin of canned food toward him, Bob is momentarily pulled underwater by a walker sneak-attack. |
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If these borrowers ever get underwater on their mortgages, they will almost certainly pull back on spending, turn risk averse and generally retrench. |
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Each year, lured by cheap airfares and strong currency, Brits flock down under to don their scuba gear and explore its underwater technicolour paradise. |
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Throughout both days the divers would speak to the public via underwater communications, play noughts and crosses with the children and generally entertain the crowd. |
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Wiley and three co-workers pour 10 metric tons of food pellets into the pens each day and monitor the fish with underwater video cameras to see when they stop eating. |
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Four years later, when hurricane Katrina hit, 80 percent of the city went underwater, at an average level of four feet. |
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This has a big effect on reducing underwater visibility, as the mainland feeds the River Tyne with water-borne sediment and delivers it in suspension into the North Sea. |
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The report also found that a low portion of these underwater homeowners were delinquent on their mortgages. |
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Theoretically, the ship can take on all comers in the air, sea, underwater or on land. |
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After it has been uprighted, sponsons will be welded to the starboard side that has been underwater for a year. |
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It's just like pushing a fully inflated basketball underwater. |
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In addition to helping us power our cars, imitating sharks could lead to swifter ships and more advanced underwater sensors. |
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A few hundred meters upriver, you see groves of date palms swaying as if underwater. |
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Plaited terylene line is nice to hold on to, especially when you need to drag yourself back down to the hook to disengage it, or use it for a bit of underwater rock-climbing. |
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The tessera was recovered from the Ninfeo of Punta Epitaffio during the underwater excavation in the sea in front of Baia, which nowadays is a little town near Naples. |
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Beyond the increase in activity of the human kind, the dream of Scylla turning into an underwater haven for marine life looks to be turning to fruition. |
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His agent, who is planning a controversial exhibit of the photos Alex took just prior to blacking out underwater, is pressuring him to attend the show's opening. |
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The bad news is that Romney is still underwater, meaning that more voters continue to see him unfavorably than favorably. |
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The Scandinavian test may have documented an underwater version of the bowerbird strategy, in which females go for the glitter to find the best guy. |
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Rescuers were racing against time last night to haul up a mini-submarine stuck 190 metres underwater near the Pacific coast before the seven sailors on board run out of air. |
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The ocean swell presses a thick plankton soup into the fjords and channels in the area, forming a base for an impressive array of underwater life forms. |
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The idyllic, mild climate and transparent sea makes it the most attractive area for underwater and surface water-based activities including sailing and diving. |
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It was a strangely shaped block, due to the area once being underwater, and he took it home with him to examine closer. |
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Not everyone wants to spend their entire holiday diving, and we know many of you like to combine underwater sightseeing with a family holiday or a break with friends. |
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I finally allowed my eyes to close as the sounds of the ocean picked up through an underwater microphone that emitted its pickup through speakers in the room. |
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Such opportunities are highly-valued by the scientific community, as the thickness and quality of the polar ice can be measured with a great deal of accuracy from underwater. |
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Yet another revealed the mustachioed show host signing off at the end while taking a puff of his signature cigar, underwater. |
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Cut when flowers are half-open, and then re-cut stems underwater. |
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Once underwater, the pair let the outside world disappear, communing with the natural elements beneath the sea's surface in an attempt to banish their worries forever. |
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They were found on what was once the Thames foreshore, and would have been stored underwater in a wattle enclosure to stop the wood drying out and splitting. |
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Their underwater acoustic sense and echo-location skills are legendary. |
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Among the clutter of computer screens, racks of original prints and an underwater camera casing are enlarged copies of the rare archive photographs taken of the sinking boats. |
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Since that time, considerable advances have been made in the science of underwater acoustics and the hardware used for the detection of faint signals. |
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From the opening ski jump off a mountain to the underwater action sequence featuring a Q converted Lotus automobile, everything about the movie is big, big and bigger. |
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Whatever the phenomenon's cause, he says, scientists should now recognize that icebergs can be a source of noise for seismometers and underwater acoustic sensors. |
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High-resolution bathymetric data and side-scan sonar surveys of pockmarks, depressions up to 300 m long, were obtained by using an autonomous underwater vehicle. |
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But I also remember being amazed by the lush underwater scene and taking home happy memories of rabbitfish snacking on our bubbles as they escorted us around the house reef. |
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I'm sure this has helped me in my personal quest to shoot meaningful underwater photographs that I hope communicate the emotions I feel when I'm diving. |
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Holmes will present research on his underwater listening device in Vancouver on May 20 at the semi-annual meeting of the Acoustical Society of America. |
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A ear-splitting neigh jolted him back to his senses, and a sudden flash of white shot towards him, ducking underwater for a split second to lift him up beneath it. |
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As many as one in six homeowners are currently what's known as underwater. |
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They offer everything from diving equipment and lessons, to snorkeling gear and swim fins for an enjoyable underwater experience merely feet from your room. |
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View sunken ships, underwater castles, and other detailed underwater experiences, all from the perspective of being safely behind the glass of an underwater diving vessel. |
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The American coastline is similarly vulnerable to the underwater predators. |
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Up to now the handsome Prince Rainier has preferred big-game hunting, yachting, car racing and diving into underwater caverns off the south of France, to seeking a wife. |
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Graphic video footage shows other swimmers racing to the rescue before she disappears underwater and the sea turns red. |
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Like an underwater detonation, the pool was afroth with flapping and splashing. |
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Some alcids remain underwater as long as two minutes, exceptionally even longer, and dive to depths of thirty metres. |
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The hydrostatic effect of variable ballast tanks is not the only way to control the submarine underwater. |
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Amazing is judged relative what already exists, and Quake has the best underwater effects so far. |
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The Storegga Slides were a series of underwater landslides, in which a piece of the Norwegian continental shelf slid into the Norwegian Sea. |
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The theory is a vast underwater landslide in the English Channel was triggered by the earthquake, which in turn caused a tsunami. |
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A serious risk with underwater tunnels is major water inflow due to the pressure from the sea above, under weak ground conditions. |
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The world's first underwater tunnel was Marc Brunel's Thames Tunnel built in 1843 and now used to carry the East London Line. |
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In addition, the strong currents had washed ashore many of the underwater obstacles. |
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The wreck is still visible underwater in Bounty Bay, discovered in 1957 by National Geographic explorer Luis Marden. |
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Cameron criticized previous Titanic films for depicting the liner's final plunge as a graceful slide underwater. |
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As of October 2013, underwater hockey is the only underwater sport being practised. |
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He then took the stake to the river Lochy and put it underwater, and returning later he saw a large salmon had gotten impaled on it. |
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Deep ocean currents are currently being researched using a fleet of underwater robots called Argo. |
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When a dive is successful, gannets swallow the fish underwater before surfacing, and never fly with the fish in their bill. |
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Because of its corrosion resistance, lead is used as a protective sheath for underwater cables. |
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Bay Area Rapid Transit, a regional Rapid Transit system, connects San Francisco with the East Bay through the underwater Transbay Tube. |
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Gannets hunt fish by diving into the sea from a height and pursuing their prey underwater. |
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In the autumn of 2000 large swathes of the town were underwater, notably Frankwell, which flooded three times in six weeks. |
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Until 2006, she was still travelling the world, finding inspiration both from ancient civilisations and underwater worlds for her art work. |
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It differs from a submersible, which has more limited underwater capability. |
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It was the first verified submarine capable of independent underwater operation and movement, and the first to use screws for propulsion. |
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In 1866, the Sub Marine Explorer was the first submarine to successfully dive, cruise underwater, and resurface under the control of the crew. |
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This underwater cultural heritage is protected by the UNESCO Convention on the Protection of the Underwater Cultural Heritage. |
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Densities decrease in winter when storms cause them to seek protection in cracks and around larger underwater structures. |
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The hood begins to inflate as the seal makes its initial breath prior to going underwater. |
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On land, however, the sea turtles are nearsighted because the lenses in the eyes are spherical and adjusted to refraction underwater. |
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Other seaducks forage by diving underwater, taking molluscs or crustaceans from the sea floor. |
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Sperm whales are not the easiest of whales to watch, due to their long dive times and ability to travel long distances underwater. |
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Like all cetaceans, killer whales depend heavily on underwater sound for orientation, feeding, and communication. |
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In contrast, the marine mammal prey of transients hear well underwater at the frequencies used in killer whale calls. |
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Disturbance from underwater industrial noise may displace whales from critical feeding habitat. |
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Tsunamis, caused by underwater earthquakes, have devastated many islands and in some cases destroyed entire towns. |
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Researchers have found males gather underwater, turn on their backs, put their heads together and vocalize to attract females ready for breeding. |
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Although pinnipeds have a fairly good sense of smell on land, it is useless underwater as their nostrils are closed. |
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The Weddell seal has perhaps the most elaborate vocal repertoire with separate sounds for airborne and underwater contexts. |
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The underwater vocals of Weddell seals can last 70 seconds, which is long for a marine mammal call. |
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While most vocals are audible to the human ear, a captive leopard seal was recorded making ultrasonic calls underwater. |
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Magnox fuel is reprocessed since it corrodes if stored underwater, and routes for dry storage have not yet been proven. |
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Therefore, on Earth, volcanoes are generally found where tectonic plates are diverging or converging, and most are found underwater. |
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This has only recently become technically feasible with advances in GPS and newer underwater visual devices. |
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Recent advances in underwater tracking devices are illuminating what we know about marine organisms that live at great Ocean depths. |
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In other words, bathymetry is the underwater equivalent to hypsometry or topography. |
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They spend their lives in the water, having to mate, give birth, molt or escape from predators, like killer whales, underwater. |
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The sea otter may pluck snails and other organisms from kelp and dig deep into underwater mud for clams. |
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It is connected to the Langeled pipeline, currently the world's longest underwater pipeline, and thus to a major European gas pipeline network. |
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An underwater observatory in Milford Sound allows tourists to view them without diving. |
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This was the case on the western Florida coast in 2017, just before Hurricane Irma made landfall, uncovering land usually underwater. |
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Mudskippers feed and interact with one another on mudflats and go underwater to hide in their burrows. |
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Cargo ships, pile drivers, and explosions conducted underwater produce low frequencies that may be detected by oysters. |
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They are curious and will often look in on divers in the water and are impressive to watch underwater. |
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Loons can live as long as 30 years and can hold their breath for as long as 90 seconds while underwater. |
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This membrane, when shaken, is able to produce various sounds and calls depending on whether the seal is underwater or on land. |
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So extreme is their adaptation to life underwater that they are unable to survive on land. |
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Most species undergo submarine pollination and complete their entire life cycle underwater. |
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Limited range and speed, especially underwater, made these weapons difficult to use tactically. |
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Another method involves mooring to offshore buoys, such as a single point mooring, and making a cargo connection via underwater cargo hoses. |
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As dolphins are mammals and do not have gills they may drown while stuck in nets underwater. |
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Many sea battles through history also provide a reliable source of shipwrecks for underwater archaeology. |
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In 1812 Russian engineer Pavel Shilling exploded an underwater mine using an electrical circuit. |
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As time passed, exhaustion and despair led people in the sea to give up and slip underwater. |
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Navigation underwater was accomplished using a directional gyrocompass or by following instructions radioed from the transport barge. |
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Mobile defenses could be had underwater, too, in the form of nuclear submarines capable of firing missiles. |
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Here, they can access their food supply underwater even when their pond is frozen over. |
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Plants such as kelp and algae grow in the water and are the basis for some underwater ecosystems. |
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Although these species hunt underwater, they breed on land or ice and spend a great deal of time there, as they have no terrestrial predators. |
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In 2004, a potentially active underwater volcano was found in the Antarctic Peninsula by American and Canadian researchers. |
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It collided with southern Baltica in the Devonian, though this microcontinent was an underwater plate. |
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The world's largest known underwater waterfall, known as the Denmark Strait cataract, flows down the western side of the Denmark Strait. |
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The Caribbean sea floor is divided into five basins separated from each other by underwater ridges and mountain ranges. |
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The major mechanism of canyon erosion is now thought to be turbidity currents and underwater landslides. |
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