A report explores why skulls across prehistoric societies show trepanation, how some patients survived, and what remains uncertain about the practice.
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Bleached Corals Thrive Within Days When Touching Healthy Neighbour
A laboratory study found bleached coral recovered after contact with a healthy fragment from the same genet, with symbionts spreading through fused tissue.
Solar Surpasses Nuclear Power Globally For First Time
WNISR 2026 says global solar generation exceeded nuclear for the first time in 2025 as renewables grew faster and nuclear output rose modestly.
APOD: 2026 October 10 – Lunar Farside
NASA’s October 10, 2026 Astronomy Picture of the Day features a Lunar Reconnaissance Orbiter mosaic of the Moon’s rugged farside.
Terence Tao: Math 2.0 [Pdf]
A search-interest signal points to Terence Tao’s “Math 2.0” PDF, but the document’s contents and the reason for attention are unverified.
Competitive Programmer’s Handbook (2018) [Pdf]
The 2018 Competitive Programmer’s Handbook is a free online guide to algorithms and techniques used in programming contests.
Dust: Pretraining Transformers Without Backpropagation
Q Labs reports that Dust trained transformer language models without backpropagation, with results that improve as the virtual population grows.
Opus 5.5 Agents Discover Two Room-temperature Magnetic Semiconductor Candidates
Vals AI reports two simulated candidates for room-temperature Luttinger-compensated magnetic semiconductors; experimental validation is not reported.
APOD: 2026 October 4 – Supernumerary Rainbows Over New Jersey
NASA’s October 4, 2026, Astronomy Picture of the Day revisits a 2018 New Jersey photograph showing at least five supernumerary rainbows.
Fall Meetups 2026
ACX Everywhere is seeking local meetup organizers by Oct. 9, with events planned from Oct. 16 through Nov. 30, 2026.