The Large Hadron Collider’s official tally: 59 new hadrons and counting

How many new particles has the LHC discovered? The most widely known discovery is of course that of the Higgs boson. Less well known is the fact that, over the past 10 years, the LHC experiments have also found more than 50 new particles called hadrons. Coincidentally, the number 50 appears in the context of hadrons twice, as 2021 marks the…

Flaws In Zoom’s Keybase App Kept Chat Images From Being Deleted

chicksdaddy writes: The Security Ledger reports that a flaw in Zoom’s Keybase secure chat application left copies of images contained in secure communications on Keybase users’ computers after they were supposedly deleted, according to researchers from the security research group Sakura Samurai. The flaw in the encrypted messaging application, CVE-2021-23827 does not expose Keybase users to remote compromise. However, it could…

Amazon Prime Video Direct and the Dystopian Decision To Stop Accepting Documentaries

When Amazon made a unilateral decision in early February to stop accepting documentaries and short films via Prime Video Direct (a policy that also covers “slide shows, vlogs, podcasts, tutorials, filmed conferences, monologues, toy play, music videos, and voiceover gameplay”), the announcement also served as a quiet purge. Amazon also has been dropping long-running documentary titles from the service, with stakeholders…

Second Google AI Ethics Leader Fired, She Says Amid Staff Protest

Alphabet’s Google on Friday fired scientist Margaret Mitchell, she said in a Twitter post, after weeks of being under investigation for moving thousands of files outside the company amid a battle over research freedom and diversity. From a report: Google’s ethics in artificial intelligence research unit has been under scrutiny since December’s dismissal of scientist Timnit Gebru, which prompted protest from…

Resilient Teaching During Times of Change with Dr. Rebecca Quintana, University of Michigan

The pandemic has accelerated the global need for online learning. In the short term, educators mitigated disruption of campus closures by moving their courses, assessments, and even graduation ceremonies online.  In many educational settings, the focus has shifted to adaptability—how can we design courses that withstand all kinds of changes, including a pandemic? It has […]
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A new way of forming planets

In the last 25 years, scientists have discovered over 4000 planets beyond the borders of our solar system. From relatively small rock and water worlds to blisteringly hot gas giants, the planets display a remarkable variety. This variety is not unexpected. The sophisticated computer models, with which scientists study the formation of planets, also spawn very different planets. What the models…

Russian Campaign Promotes Homegrown Vaccine and Undercuts Rivals

An anonymous reader quotes a report from The New York Times: Russian news outlets connected to election disinformation campaigns in the United States have set their sights on a new target: convincing Spanish-speaking countries that the Russian coronavirus vaccine works better than its American competitors, according to researchers and State Department officials. The Russian campaign has focused on Latin American nations,…

A robot submarine could explore Titan’s deepest sea

A new study of data from NASA’s bountiful Cassini mission shows that Titan’s largest methane sea, Kraken Mare, is at least 1,000 feet – 300 meters – deep near its center. That’s plenty of room for a future robotic submarine to explore. Source: https://earthsky.org/space/titans-largest-sea-kraken-mare-is-1000-feet-deep…

Is Misinformation on Nextdoor Impacting Local Politics?

Was Nextdoor’s impact on the world exemplified by a crucial funding referendum for the Christina School District of Newark, Delaware? Medium’s tech site OneZero reports: As the 2019 referendum approached, I saw Nextdoor posts claiming that the district was squandering money, that its administrators were corrupt, and that it already spent more money per student than certain other districts with higher…

New evidence for multiple ice ages on Mars

Earth has had at least 5 major ice ages. Now it appears Mars – the next planet outward from the sun – has undergone anywhere from half a dozen to 20 ice ages in the past several hundred million years. Source: https://earthsky.org/space/new-evidence-for-multiple-ice-ages-on-mars…