Fundo do mar

Maritime

The United States wants to tighten control over submarine cables that carry 99% of international internet, silently cross oceans, total more than 400 routes worldwide, and have become a strategic piece in the competition for data, technology, and suppliers.

Flavia Marinho 11/06/2026 at 19:31

Science and Technology

We know more about Mars than about our own ocean: less than 30% of the seafloor has been mapped, and what is hidden in this vastness could be the largest reserve of wealth on the planet.

Noel Budeguer 08/06/2026 at 15:25

Interesting facts

About 1,000 meters deep, a lake at the bottom of the Gulf of Mexico challenges science: its water is up to five times saltier than the ocean’s and hosts highly adapted life forms; Meet the mysterious Jacuzzi of Despair.

Andriely Medeiros de Araújo 06/06/2026 at 18:23

Maritime

With a length of 397 meters, the giant ship carries up to 22,000 tons of pipes and assembles a continuous metal line in the ocean that becomes a gas pipeline and oil pipeline on the seabed.

Flavia Marinho 02/06/2026 at 17:29

Science and Technology

Deep-sea mining left a scar for over 40 years in the Pacific, study reveals an ecosystem that has not yet fully recovered and raises a global alert before companies attempt to advance in the extraction of copper and cobalt for batteries in deep waters.

Carla Teles 28/05/2026 at 22:38

Armed Forces

Why does the USA sink military tanks in the ocean and turn these war machines into artificial reefs?

Caio Aviz 19/05/2026 at 16:42

Science and Technology

Research vessel departs from Fortaleza this Sunday for a 35-day mission to map the Brazilian ocean floor and search for unknown marine species, two-ton robot on board can descend up to 6,500 meters deep.

Maria Heloisa Barbosa Borges 17/05/2026 at 01:30

Interesting facts

China concluded a deep-sea test at a depth of 3,500 meters to erect a neutrino telescope with 700-meter towers, a submarine machine designed to use Earth as a shield and capture the most extreme signals from the Universe.

Alisson Ficher 07/05/2026 at 23:32

Interesting facts

Dubai is sinking 20,000 structures to the seabed to create one of the planet’s largest artificial reefs and transform 600 km² into an underwater city that looks like science fiction, in an attempt to rebuild life where there was once emptiness.

Ana Alice 06/05/2026 at 19:18

Science and Technology

Machines begin to scrape the ocean floor in search of metals for batteries, but scientists say the impact could last decades and change entire ecosystems before they are even known by science.

Noel Budeguer 06/05/2026 at 17:28

Science and Technology

The United States will dredge 2.2 million cubic yards of sand from the seabed to rebuild South Carolina beaches in a 24-hour-a-day operation against erosion, storms, and threats to tourism and sea turtles.

Carla Teles 05/05/2026 at 10:41

Science and Technology

How giant “vacuum cleaners” installed on the seabed pull heavy oil to the surface and prevent wells from stopping prematurely

Romário Pereira de Carvalho 04/05/2026 at 22:31

The United States wants to tighten control over submarine cables that carry 99% of international internet, silently cross oceans, total more than 400 routes worldwide, and have become a strategic piece in the competition for data, technology, and suppliers.

We know more about Mars than about our own ocean: less than 30% of the seafloor has been mapped, and what is hidden in this vastness could be the largest reserve of wealth on the planet.

About 1,000 meters deep, a lake at the bottom of the Gulf of Mexico challenges science: its water is up to five times saltier than the ocean’s and hosts highly adapted life forms; Meet the mysterious Jacuzzi of Despair.

With a length of 397 meters, the giant ship carries up to 22,000 tons of pipes and assembles a continuous metal line in the ocean that becomes a gas pipeline and oil pipeline on the seabed.

Deep-sea mining left a scar for over 40 years in the Pacific, study reveals an ecosystem that has not yet fully recovered and raises a global alert before companies attempt to advance in the extraction of copper and cobalt for batteries in deep waters.

Why does the USA sink military tanks in the ocean and turn these war machines into artificial reefs?

Research vessel departs from Fortaleza this Sunday for a 35-day mission to map the Brazilian ocean floor and search for unknown marine species, two-ton robot on board can descend up to 6,500 meters deep.

China concluded a deep-sea test at a depth of 3,500 meters to erect a neutrino telescope with 700-meter towers, a submarine machine designed to use Earth as a shield and capture the most extreme signals from the Universe.

Dubai is sinking 20,000 structures to the seabed to create one of the planet’s largest artificial reefs and transform 600 km² into an underwater city that looks like science fiction, in an attempt to rebuild life where there was once emptiness.

Machines begin to scrape the ocean floor in search of metals for batteries, but scientists say the impact could last decades and change entire ecosystems before they are even known by science.

The United States will dredge 2.2 million cubic yards of sand from the seabed to rebuild South Carolina beaches in a 24-hour-a-day operation against erosion, storms, and threats to tourism and sea turtles.

How giant “vacuum cleaners” installed on the seabed pull heavy oil to the surface and prevent wells from stopping prematurely

Mother and daughter build a 70 m² house with more than 8,000 discarded glass bottles and impress with their creativity; known as the Casa de Sal, the property is located on Itamaracá Island, in Pernambuco.

Workers were opening a new road connection near the Marginal Tietê when they found, in the underground of the construction site, remnants of locomotives, wagons, and boilers from the 19th century linked to the forgotten history of Lapa.

Instead of burning or burying old tires, an American city is transforming about 2,000 of them into the street itself, paving its first sections with a quieter and more durable rubber asphalt.

China transforms desert-devastated area into the world’s largest artificial forest, planting trees for 60 years, blocking sand that reached Beijing, and creating a “green lung” of 92,000 hectares in a region once considered lost.

Greek island offers free housing for volunteers, but there’s a condition: you need to take care of rescued cats.

China has deployed snake-shaped robots to slide along power lines, where they have already inspected over 130 kilometers of cables using cameras and sensors to detect damaged wires, worn-out parts, and overheating.

Engineers want to carve through Africa with a giant canal to bring water from the world’s second-largest river to a dying lake on the edge of the Sahara Desert that has already lost 90% of its water.