Aerosols are collections of fine particles, either biological or of other types, in suspension in a gaseous medium. They play a major role in cloud formation and therefore have a strong impact on climate models. They are however extremely hard to study due to the small size and immense variety of their constituent particles. But researchers from the University of Geneva (UNIGE), Switzerland, members of the PlanetSolar Deepwater expedition, have now succeeded in linking the composition of marine biological aerosols - and therefore their influence on the climate - to that of bodies of water under them within the Atlantic Ocean, thereby paving the way to an indirect study of these aerosols through water analysis. This study, which has been published in Scientific Reports, will contribute to making climate models more accurate.

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The remnant clouds and showers associated with Ex-Tropical Cyclone Debbie were slowly moving off the coasts of Queensland and New South Wales as NASA's Terra satellite passed overhead on March 31.

On March 31 at 01:30 p.m. AEST/Queensland (March 30 at 11:30 p.m. / U.S.), the Moderate Resolution Imaging Spectroradiometer aboard NASA's Terra satellite captured a visible image of Debbie's remnants. The remnant clouds and showers were blanketing southeastern Queensland and northeastern New South Wales, Australia. The system appeared frontal in nature, stretching from north to south over the eastern Australian coast.

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When told the subject of her research has a bit of an alien predator vibe, Natacha Hogan is quick to agree.

“Oh, I like that,” said the assistant professor in the Department of Animal and Poultry Science. “When you look at the structures of these mycotoxins, some really are scary looking. Many are very complex structures with multiple rings fused together and many functional groups hanging off the sides. They sort of look like spiders.”

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