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Ecology Aug 12, 2024

From jellyfish to basking shark, we're developing 100 new signs to deepen deaf people's connection with the ocean

For deaf people including schoolchildren, teachers and scientists, talking about marine species like the shortfin mako shark, loggerhead turtle and tiny phytoplankton usually means spelling out each term letter by letter. ...

Earth Sciences Aug 12, 2024

The many adventures of nitrogen in the Arctic Ocean: Research reviews the complex cycle and climate change impacts

Phytoplankton are small but mighty. As one of the biggest drivers of primary production in Earth's oceans, they convert sunlight and carbon dioxide (CO2) into chemical energy, forming the base of the aquatic food web and ...

Earth Sciences Jul 9, 2024

As ocean surfaces acidify, a deep-sea acidic zone is expanding, and marine habitats are being squeezed

In the deepest parts of the ocean, below 4,000 meters, the combination of high pressure and low temperature creates conditions that dissolve calcium carbonate, the material marine animals use to make their shells.

Plants & Animals Jul 1, 2024

Ocean acidification turns certain fish species away from coral reefs, researchers find

A new study of coral reefs in Papua New Guinea shows ocean acidification simplifies coral structure, making crucial habitat less appealing to certain fish species.

Earth Sciences Jun 17, 2024

Scientists suggest causes behind one of the most significant climate catastrophes

A team of researchers from the University of Exeter have shone fresh light on the causes of Oceanic Anoxic Event 2—which saw severe global warming and ocean acidification across the Earth around 94 million years ago. The ...

Ecology Jun 14, 2024

Scientists warn of coral reef decline due to ocean acidification

The French Polynesian island Moorea is the most beautiful isle in the world, some say. Its lagoons are surrounded by reefs dominated by Porites corals.

Environment Jun 14, 2024

Researchers harvest acid from seawater to feed beneficial algae

From the air you breathe to the seafood you eat, marine algae have some involvement—they consume carbon dioxide and produce oxygen through photosynthesis and feed fish and shellfish. One day, marine algae could also be used ...

Earth Sciences May 31, 2024

Fjords are effective carbon traps regardless of oxygen levels, finds study

The fjords on Sweden's west coast act as effective carbon traps regardless of whether the bottom water is oxygen-rich or not. This is the conclusion of a new study by researchers from the University of Gothenburg.

Plants & Animals May 6, 2024

How human activities are impacting one of the world's most remote whale species

Even in the deepest and most remote parts of the ocean, beaked whales cannot escape the harmful effects of human activity. From military sonar, targeted hunting and ship strikes to climate change, plastic pollution and oil ...

Environment Apr 25, 2024

Solar geoengineering to cool the planet: Is it worth the risks?

When I first wrote about geoengineering in 2012 , it was considered far-fetched at best, and crazy by most. But 12 years later, while there is still controversy and considerable resistance to deploying it, respectable scientists ...

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