The Mariana trench is the deepest of the currently known geographic features. Trough stretches along the Mariana Islands for more than 1500 km At the bottom of the trench the water pressure reaches 108.6 MPa!
In 1958, the expedition established the existence of life at depths greater than 7000 meters, thereby disproving the common perception at the time, the idea of the impossibility of life at depths greater than 6000-7000 m. In 1960 it was held immersion bathyscaphe Trieste to the bottom of the Marianas trench to the depth is 10915 m.
The recording sounds the device was to transfer to the surface of the noise-like gnashing of teeth of the saws. At the same time on the TV monitor appeared a vague shadow, like a giant fairy dragons. These creatures had several heads and tails. After an hour, the scientists of the research vessel were worried that the unique equipment, made of beams of heavy-duty titanium-cobalt steel, spherical shape with a diameter of about 9 m, can remain in the abyss forever. It was decided to raise it up. The equipment was recovered from the depths for more than eight hours. As soon as he appeared on the surface, it immediately put on a special raft. Camera and sonar picked up on deck. It turned out that a strong steel construction beams were deformed, and 20-inch steel rope, on which it is being lowered,turned out to be half-sawn. Who tried to leave the unit at depth and why – is a complete mystery.. Continue reading
In the ocean there live the most different animals. According to estimates special expeditions, today, in the ocean there are about 85 thousands of different organisms. And many of them pose a great danger to humans. Get to know the most dangerous of them.
Zebra fish. Lionfish
This fish is found in the Red sea and mainly in the Indian and Pacific oceans. It can be found off the coast of China, Japan or Australia. Her body has a length of 30-40 centimeters. On the body has stripes of light pink color.
The decoration of this fish, considered long ribbon fins. Inside these fins contain poisonous needles. When the prick of this needle, the person immediately loses consciousness and is in deep shock. There is an opinion that this fish can kill a man, but not committed, no case.
In case of contact poison in the human body into convulsions, impaired heart function, and there is a risk of gangrene. The process of poisoning and time after him, is considered to be very heavy.
Cone. Cone snail
This clam lives mainly in the warm waters. Has a special poison gland, which consists of toxic substances. When you touch, the prick of the thorn, and the person from acute pain loses consciousness. It is difficult breathing and the heart muscle. Continue reading
Sharks belong to the order of elasmobranch.
Their length ranges from 0.2 m (Black barbed) up to 20 m (giant). Shark is widely distributed, mainly in tropical seas.
The story of the gifts of the ocean would be incomplete if not to mention the meat of sharks. It is used in food many of the peoples inhabiting the shores of the seas and oceans. Fin soup sharks since ancient times is considered as a delicacy, like a turtle.
From the skins of sharks previously made a very expensive shagreen skin. In some countries of Asia and Africa of durable and beautiful leather sharks make even shoes and haberdashery. The dried skin of sharks is used for polishing of precious wood and brushing the felt.
From the liver of sharks get fat, reaching for food, medical and technical purposes. Finally, the shark teeth are used as Souvenirs, and from the spines make canes, from the skeleton – glue. This is the range of use of sharks in the economic life of man.
Shark meat has long been valued in different countries of the world, and many did not even know that they praise the shark meat since it was sold under various names. For example, from Turkey in pre-revolutionary Russia, the fishermen brought Balik from shark-Katran, presenting them balyk of sturgeon. U.S. fish sticks of porbeagle and Mako shark sold under the form of sticks made of the swordfish. Shark meat soup, processed food paint, sold in some countries as macrosomia, shark meat-foxes and other sharks — as meat halibut, Croaker, cod, etc. Continue reading