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Published on 20 Sep 2024

Oceanic life found to be thriving thanks to Saharan dust blown from thousands of kilometers away

Scientists from the US measured the relative amounts of ‘bioreactive’ iron in four sediment cores from the bottom of the Atlantic. They showed for the first time that the further dust is blown from the Sahara, the more iron in it becomes bioreactive through chemical processes in the atmosphere. These results have important implications for our understanding of the growth-promoting effect of iron on oceanic phytoplankton, terrestrial ecosystems, and carbon cycling, including under global change.

The mysid shrimp Hemimysis margalefi. mage credit: Marie Derrien

Featured news

Published on 17 Sep 2024

How does a tiny shrimp find its way home in a vast ocean? Study finds it’s down to their cave’s special smell

Researchers from France have shown for the first time that mysid shrimp can distinguish between seawater from their cave of origin and that from nearby caves. This recognition behavior, based on local differences in water-borne odor mixes or ‘chemical seascapes’, is likely what enables the shrimp’s homing behavior when they return each dawn from their foraging trips in open water.

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Featured news

Published on 20 Sep 2024

Oceanic life found to be thriving thanks to Saharan dust blown from thousands of kilometers away

Scientists from the US measured the relative amounts of ‘bioreactive’ iron in four sediment cores from the bottom of the Atlantic. They showed for the first time that the further dust is blown from the Sahara, the more iron in it becomes bioreactive through chemical processes in the atmosphere. These results have important implications for our understanding of the growth-promoting effect of iron on oceanic phytoplankton, terrestrial ecosystems, and carbon cycling, including under global change.

The mysid shrimp Hemimysis margalefi. mage credit: Marie Derrien

Featured news

Published on 17 Sep 2024

How does a tiny shrimp find its way home in a vast ocean? Study finds it’s down to their cave’s special smell

Researchers from France have shown for the first time that mysid shrimp can distinguish between seawater from their cave of origin and that from nearby caves. This recognition behavior, based on local differences in water-borne odor mixes or ‘chemical seascapes’, is likely what enables the shrimp’s homing behavior when they return each dawn from their foraging trips in open water.

Photo credit: Pallavi Pant

Frontiers news

Published on 16 Sep 2024

Pallavi Pant - Bridging science and community action to combat air pollution

In honor of this year’s International Day of Clean Air for Blue Skies, we sat down with Dr Pallavi Pant to discuss her work related to air pollution and human health, as well as her thoughts on future directions for the field. With near 15 years of experience in air pollution science, Dr Pant currently leads the Global Health program at the Health Effects Institute in Boston, USA. Her primary focus is on public awareness and engagement, particularly in low- and middle-income countries.

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