How aquatic foods could help tackle world hunger, and how Australian wildfires spurred phytoplankton growth in the Southern Ocean.

In this episode:

00:45 The role of aquatic food in tackling hunger

Ahead of the UN’s Food Systems Summit, Nature journals are publishing research from the Blue Food Assessment, looking at how aquatic foods could help feed the world's population in a healthy, sustainable and equitable way.

We speak to Ismahane Elouafi, Chief Scientist at the Food and Agriculture Organization of the United Nations, who tells us about the role of blue foods in future food systems.

Immersive feature: Blue Foods

Nature's Blue Food collection

12:27 Research Highlights

The ingestible capsule that injects drugs straight into stomach tissue, and a soft material that changes colour when twisted.

Research Highlight: An easily swallowed capsule injects drugs straight into the gut

Research Highlight: Flowing crystals for quick camouflage

14:52 How Australian wildfires spurred phytoplankton blooms

The devastating Australian wildfires of 2019-2020 released plumes of iron-rich aerosols that circled the globe, fertilizing oceans thousands of miles away. New research suggests that these aerosols ultimately triggered blooms of microscopic phytoplankton downwind of the fires, in the Southern Ocean.

Research Article: Tang et al.

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