Category: General Info

Underwater Fact 140

It is a common known fact that noise travels about five times more quickly in the sea. But did you know that there are conditions where sound can travel similar to light in a fiber-optic cable?

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One hundred years ago, the Titanic sank 3.800 meters into the deep.

It took over 70 years for the wreck to be discovered by ocean explorer Robert Ballard. Since then it has faced many research explorations, tourism and natural erosion due to metal eating bacteria.

The explorer himself wants to invest in a new coat of paint applied by deep sea robots to protect the historical wreck.

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Underwater Fact 92

In northern oceans, the water spins clockwise. In the southern oceans, it spins counterclockwise.

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Underwater Fact 74

Fish continue to grow throughout their whole life, but the rate of growth decreases with age. Their maximum size differs enormously from one species to the other: the largest fish in the world, the whale shark, surpasses 13m length, while the smallest species, a gudgeon, reaches 1 cm at most.

Jellyfish Lake in Palau is a unique place on earth where several coincidences have made it the perfect environment for millions of jellyfish to evolve their own species – perfectly adapted and isolated from the rest of the world.

JELLYFISH LAKE     © Sarosh Jacob

Around 12 000 years ago, as the water level was decreasing, the lake was formed as a natural basin of rocks and lime stones with only a few living creatures trapped inside it.

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Underwater Fact 53

The fifth-largest continent, Antarctica, is nearly twice the size of Australia. Its surface is covered by ice that averages at least 1.6 km / 1 mile in thickness and stores around 70% of the world’s fresh water.

Underwater Fact 44

Ocean gyres create large areas of calm water.  Debris drifts into these areas and, because of lack of movement, stays there for years.

One such area can be found in the North Pacific Ocean, where plastic and other trash have collected in a massive garbage patch twice the size of the U.S. state of Texas.

Underwater Fact 33

10,000 years ago the ocean level was about 110m / 330 ft  lower than it is now.

Underwater Fact 30

More than 3.5 billion people depend on the oceans for their primary source of food. In 20 years, this number could double to 7 billion.

Underwater Fact 29

The High Seas — areas of the ocean beyond national jurisdiction — cover almost 50% of the Earth’s surface. They are the least protected part of the world.

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