Hurricanes are known to occur in the lower atmosphere of Earth and even other planets, but had never before been detected in the upper atmosphere. An international team of scientists made the unprecedented discovery during retrospective analysis of satellite observations. The hurricane occurred during surprisingly low geomagnetic activity, and suggests they could occur in the upper atmosphere of other planets too.
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The international research collaboration involving the research team led by evolutionary biologist Professor Axel Meyer at the University of Konstanz and researchers from China and Singapore was able to identify factors that led to the success of the seahorse from a developmental biology perspective: its quickness to adapt by, for example, repeatedly evolving spines in the skin and its fast genetic rates of evolution. The results will be published on 17 February 2021 in
Nature Communications.
Seahorses of the genus Hippocampus emerged about 25 million years ago in the Indo-Pacific region from pipefish, their closest relatives. And while the latter usually swim fairly well, seahorses lack their pelvic and tail fins and evolved a prehensile tail instead that can be used, for example, to hold on to seaweed or corals. Early on, they split into two main groups. One group stayed mainly in the same place, while the other spread all over the world , says Dr Ralf Schneider, who
File photo shows the excavation site of an ancient tomb in Kele Yi-Miao Township of Hezhang County, Guizhou Province. (Guizhou provincial research institute of
The economics of the $7B+ human hair industry
By:
The Hustle
|
@TheHustle
December 20, 2020
Beauty trends have fueled growth in the global human hair industry. Now, concerns about ethics and quality are generating new business models.
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