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Articles on Oceans

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Diazotroph (Trichodesmium) bloom in the Coral Sea, captured on 1 September 2019 by the Landsat 8 satellite. The interaction between the physics and biology of the ocean is manifested in these green filaments that snake through the currents. Joshua Stevens/NASA

Climate: modelling micro-algae to better understand the workings of the ocean

The ocean absorbs a quarter of the CO₂ emitted by humans, thanks in particular to phytoplankton, including diazotrophs. Knowing how to model them is crucial to understanding the ocean’s role in climate.
Killer whales are the apex predator in the oceans. (Shutterstock)

Analyzing the fat of killer whales reveals what they eat

By analyzing small samples of killer whale fat, scientists can learn about the diets of different killer whale populations. This has implications for our understanding of changing ecosystems.
Shutterstock

Torrents of Antarctic meltwater are slowing the currents that drive our vital ocean ‘overturning’ – and threaten its collapse

In a plot reminiscent of the 2004 movie The Day After Tomorrow?, Australian scientists are warning that the Southern Ocean’s deep “overturning” circulation is slowing and headed for collapse.
Pam Longobardi amid a giant heap of fishing gear that she and volunteers from the Hawaii Wildlife Fund collected in 2008. David Rothstein

My art uses plastic recovered from beaches around the world to understand how our consumer society is transforming the ocean

Pam Longobardi collects and documents ocean plastic waste and transforms it into public art and photography. Her work makes statements about consumption, globalism and conservation.
Seabirds forage on an oyster shell island on the Texas Gulf Coast. Jon G. Fuller/VW Pics/ Universal Images Group via Getty Images

Hurricane Harvey more than doubled the acidity of Texas’ Galveston Bay, threatening oyster reefs

Climate change is making oceans more acidic globally. Now, scientists are finding that large storms can send pulses of acidic water into bays and estuaries, further stressing fish and shellfish.

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