511.
512.
Scientists Intrigued by Radio Signals Coming From Comet
(futurism.com)
513.
514.
515.
Whale and dolphin migrations are being disrupted by climate change
(arstechnica.com)
516.
The Wildest, Most Unhinged Halloween Costumes of 2025
(gizmodo.com)
517.
519.
520.
521.
522.
Hallmark’s glowing Xbox 360 ornament plays the Halo theme
(theverge.com)
523.
524.
Old Computer Challenge – Modern Web for the ZX Spectrum
(news.ycombinator.com)
525.
526.
This smart lighting app has some spooky freebies to get you in the Halloween mood
(androidauthority.com)
527.
529.
AMD's Chiplet APU: An Overview of Strix Halo
(news.ycombinator.com)
530.
New computer model helps reveal how the brain both adapts and misfires
(news.ycombinator.com)
531.
532.
Flight Simulator for the Brain Reveals How We Learn and Why Minds Go Off Course
(news.ycombinator.com)
533.
534.
535.
Show HN: Halloy – Modern IRC client
(news.ycombinator.com)
536.
537.
Show HN: Halloy – the modern IRC client I hope will outlive me
(news.ycombinator.com)
538.
The gorgeous Marshall Emberton II speaker is $85 off!
(androidauthority.com)
539.
540.
‘Halloween Ends’ Almost Had Two Odd, Different Endings
(gizmodo.com)