Best from science journals: How to live 1,000 metres below sea level?

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Best from science journals: How to live 1,000 metres below sea level?


Here are a few of the most attention-grabbing analysis papers to have appeared in high science journals final week.

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Deep-sea secrets and techniques

Published in Molecular Biology and Evolution

How does the deep-sea clam (Archivesica marissinica) survive 1000’s of metres below sea stage? Scientists collected these clams from a chilly seep within the South China Sea and decoded its genome to perceive its variations. They additionally studied a micro organism (Candidatus Vesicomyosocius marissinica) that lives within the epithelium cells of the clams. They seen that symbiosis between these two helps the clam to thrive in deep-sea environments.

Pesticide menace

Published in Nature Geoscience

A examine on 168 international locations has revealed that 64% of the studied agricultural land was liable to pesticide air pollution. Watersheds in South Africa, China, India, Australia and Argentina had been recognized as “high-concern regions because they have high pesticide pollution risk, bear high biodiversity and suffer from water scarcity,” writes the workforce.

Mummified parrot story

Published in PNAS

Mummified scarlet macaw recovered from Pica 8 in northern Chile. IMAGE CREDIT: CALOGERO SANTORO, UNIVERSIDAD DE TARAPACÁ, AND JOSÉ CAPRILES, PENN STATE
 

Twenty-seven mummified and skeletonised parrots from 5 archaeological websites within the Atacama Desert, now inform a narrative of seize and transport of a minimum of 5 parrot species. Researchers write that macaws, amazons, and conures had been saved as pets between 1000 and 1460 CE and their feathers had been used for numerous ceremonies.

Algae evaluation

Published in Nature Communications

“Being stuck at home was a blessing in disguise, as there were no experiments that could be done. We just had our computers and lots of time,” says Professor Paul Curmi from UNSW Sydney in a launch. By analysing a number of microscopy photos of proteins, he was in a position to establish and reconstruct a key protein that helped evolution of cryptophyte algae billions of years in the past. This discover serves as a lacking piece within the puzzle of the evolution of photosynthetic algae.

Catch a comet

Two papers printed in Nature Communications

This image was taken with the FORS2 instrument on ESO’s Very Large Telescope in late 2019, when comet 2I/Borisov passed near the Sun. Credit: ESO/O. Hainaut

This picture was taken with the FORS2 instrument on ESO’s Very Large Telescope in late 2019, when comet 2I/Borisov handed close to the Sun. Credit: ESO/O. Hainaut
 

The comet 2I/Borisov was first found in August 2019 and was confirmed to have come from past the Solar System. Two papers printed final week used high-resolution observations from totally different telescopes to examine the comet and located that the comet most probably by no means handed shut to any star aside from our Sun. This means the comet is pristine and has a “composition very similar to that of the cloud of gas and dust it — and the rest of the Solar System — formed from some 4.5 billion years ago,” explains a launch. Studying the comet can inform us extra in regards to the origin of our Solar System.



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