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Lockdown, uncertainty and closures: The state of Cardiff's treasured arcades

Lockdown, uncertainty and closures: The state of Cardiff's treasured arcades
walesonline.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from walesonline.co.uk Daily Mail and Mail on Sunday newspapers.

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Our Journey Towards Cloud Efficiency


by Jen Rice and Anna Matlin
Introduction
Airbnb was born in the cloud. In 2008, while many companies were operating data centers, a few clicks on the AWS console brought Airbnb to life. From our first Ruby on Rails app, to our more recent adoption of service-oriented architecture, the ability to instantly spin up compute and storage has enabled our teams to move quickly and meet the growing demands of our business. However, the business value this nimbleness affords can quickly be offset by cloud computing costs, unless the organizational capability to efficiently use these resources is developed.
Background
In the early days of Airbnb, our primary goal was growing the business. Technology teams were focused on growth, and we paid little attention to the cost of running our infrastructure. Several years ago, we noticed AWS monthly cost growth was outpacing revenue growth. We had a problem, but we lacked an in-depth understanding of how teams use AWS resources, and ....

United States , Zijian Chen , David Heinemeier Hansson , Anna Matlin , Xinrui Hua , Stephen Zielinski , Melanie Cebula , Tamar Eterman , Bharat Rangan , Swaroop Jagadish , Jon Tai , Liyin Tang , Amazon Web Services , Apache Software Foundation , Linux Foundation , Apache Superset , Usage Report , Savings Plan , Continuous Integration , Reserved Instances , Cluster Autoscaler , Sari Siegel , Airbnb Careers , Web Services , David Heinemeier , ஒன்றுபட்டது மாநிலங்களில் ,

Indian jumping ants can shrink their BRAINS and expand them back again


The humble Indian jumping ant is less than an inch long and lives in a colony
When a queen dies female Indian jumping ants compete to replace the matriarch
In doing this they release hormones to shrink their brain by 20% to save energy
Energy is sent to the ovaries which swell to 5x their size to make more eggs  
But if the new queen is usurped and becomes a worker again, the changes are completely reversible  ....

Kennesaw State University , United States , Clint Penick , Zijian Chen , United States Department For Agriculture , Proceedings Of The Royal Society , Royal Society , United States Department , கென்னேசவ் நிலை பல்கலைக்கழகம் , ஒன்றுபட்டது மாநிலங்களில் , கிளின்ட் ஆண்குறி , ஜியான் சென் , அரச சமூகம் , ஒன்றுபட்டது மாநிலங்களில் துறை ,

Study finds short window for donating convalescent plasma to COVID-19 patients


 E-Mail
UNIVERSITY PARK, Pa. The optimal timeframe for donating convalescent plasma for use in COVID-19 immunotherapy, which was given emergency use authorization by the Food and Drug Administration in August 2020, is within 60 days of the onset of symptoms, according to a new Penn State-led study. The research also reveals that the ideal convalescent plasma donor is a recovered COVID-19 patient who is older than 30 and whose illness had been severe.
Millions of individuals worldwide have recovered from COVID-19 and may be eligible for participation in convalescent plasma donor programs, said Vivek Kapur, professor of microbiology and infectious diseases, Penn State. Our findings enable identification of the most promising donors and suggest that these people should donate quickly before their antibodies begin to wane. ....

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