NASA Earth Observatory published its October satellite-image challenge on Oct. 6, inviting readers to identify the location before a planned reveal.
October 2026 Satellite Puzzler
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Competitive Programmer’s Handbook (2018) [Pdf]
![Competitive Programmer's Handbook (2018) [Pdf]](https://varietychem.com/wp-content/uploads/2026/10/competitive-programmer-s-handbook-2018-pdf-featured.jpg)
The 2018 Competitive Programmer’s Handbook is available as a PDF from CSES. Here is what the source confirms—and what it does not.
Dust: Pretraining Transformers Without Backpropagation
Q Labs reports that Dust can train transformer language models without a backward pass, but its results are early and use more compute at larger populations.
10 Things: Movie Night
NASA Science’s “10 Things: Movie Night” points viewers to free, on-demand NASA+ programs and Moon imagery, with links to more agency videos.
Our AI Midwife
A couple says ChatGPT suggested an MRI after years of unexplained infertility; the scan found a large uterine fibroid missed in prior testing.
Surprisingly Complex Waves Reveal The Brain’s Inner Workings
A 2026 study using intracranial recordings found varied traveling brain-wave patterns during verbal and spatial memory tasks.
Open Thread 453
Scott Alexander’s weekly open thread covers a $10M grant program on middle powers and AI, new EA meetups, and a California House race follow-up.
Thinking Fast And Slow In AI: The Role Of Metacognition (2021)
A 2021 arXiv paper proposes an AI architecture that pairs fast, experience-based agents with slower agents activated for deliberate reasoning.
Hidden Open Thread 452.5
Search interest in ‘Hidden Open Thread 452.5’ is rising under the science tag, but the trigger remains unconfirmed. Details are thin.
Will Fort Worth, TX Face Tornado Risk On September 23?
Forecasts suggest possible tornado risk for Fort Worth, TX on September 23, but official alerts are not yet issued. Stay informed on developments.
