Oceanography

Sea level controls volcano activity

The sea level may control the activity of many volcanoes on the planet

Transplanting microorganisms reduces coral death

It may be possible to reduce coral death caused by ocean warming associated with climate change

The Saga of the Paratethys

The world's largest lake formed 12 million years ago and then disappeared, giving rise to the Caspian and Black Seas

Invisible message

When stimulated with ultraviolet light, the cock-eyed squid (Histioteuthis sp.) becomes covered with bright red dots

The near extinction of sharks

Ocean sediment fossil records suggest that today's sharks are descended from the few survivors of a mass extinction that wiped out nearly all the shark species that lived in the early Miocene Epoch

These nurseries can help to recover coral

Culture of damaged fragments onto 3D-printed cribs is a promising technology for restoring threatened reefs | 4'50

Coral nurseries

Mobile cultivation of damaged coral in precast frames is a promising technology for rehabilitating reefs

Deep heating

Sensors installed up to 4,700 meters below the ocean’s surface record increased temperatures in abyssal regions of the South Atlantic

Masters of challenge

COPPE, an engineering institute best known for its marine engineering, energy, and sustainability research, is now helping to tackle COVID-19

In space and the deep sea

American geologist, oceanographer and former astronaut Kathy Sullivan, 68, is the first person to walk in space and to dive to the deepest point of the ocean

Revelations from a submerged archipelago

Beaches, rivers, and mangroves covered a mountain range that was above sea level 40 million years ago

A coveted territory

A treaty signed 60 years ago governs occupation and scientific research in Antarctica

Storms in the Ice Age

In the last glacial period, torrential rainfall in what is now Brazil was mostly concentrated in the Northeast and the Amazon

Underwater nursery

The Okenia polycerelloides sea slug reproduces in the pantry

Revelations from a submerged archipelago

Beaches, rivers, and mangroves covered a mountain range that was above sea level 40 million years ago

Giants with their own light source

Researchers have now isolated the substances involved in Dosidicus gigas bioluminescence

The changing venom of a stingray

Stingray venom changes as the fish mature

How to protect sharks

Research group tracks oceanic sharks and maps them onto fishing zones in order to propose conservation areas | 3'40"

Sources of methane

Two thousand craters releasing the greenhouse gas found off the Brazilian coast

The progressive destruction of Brazilian beaches

Loss or accumulation of sand and mud has altered 60% of the Brazilian coastline

Floating laboratory

Brazilian Navy survey vessel to receive R$75 million in funding under new agreement

Underwater Forest

Coral reefs at the mouth of the Amazon River may be larger, deeper, and more complex than expected

Sources of methane under the sea

Two thousand craters releasing greenhouse gas found off the Brazilian coast

The sea’s advance

Brazilian beaches under erosive processes have increased from 40% to 60% since 2003.

New species of colorful fish stuns researchers

Discovery off the São Pedro and São Paulo Archipelago is evidence of a unique and little known fauna

Deep sea alliances

Six species of cleaner fish from the Rocas Atoll obtain food by removing parasites from larger fish

This is not a fried egg

At the bottom of the Amazon

At the bottom of the Amazon

Deep sea alliances

Cleaner fish obtain food by removing parasites from larger fish

Researchers of the sea

Oceanography began to be consolidated in Brazil in the 1940s