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Oura adds more detailed hormonal health insights to its Series 3 and 4 rings
Oura adds more detailed hormonal health insights to its Series 3 and 4 rings Oura just announced a couple of new features that keep an eye on hormonal health for women. The pre-existing Cycle Insights feature, which tracks menstrual cycles, will now take hormonal birth control methods into consideration. The smart ring maker says that this "first-of-its-kind experience" will help users see how these methods can impact overall biometric data.
Yes, the Oura Ring 5 is noticeably smaller
From top to bottom: Oura Ring 5, Oura Ring 4 in ceramic, Oura Ring 4 regular, and Oura Ring Gen 3. This is not an Oura Ring 5 review. That's coming later, once I've had enough time to really test the new durability and battery life claims, plus the new software updates that start rolling out today.
The Three-Ring Architecture: Governing Agents in the Era of On-Platform Organisations
arXiv:2606.07119v1 Announce Type: new Abstract: The current phase of enterprise AI deployment faces a structural failure: organisations are acquiring agentic capability without the infrastructure to govern it. The result is expected to reproduce the error of the first wave of AI deployment: decentralised intelligence without a federation layer leading to a 95% project failure rate. This paper formalises the Three-Ring Architecture as the governing infrastructure of the on-platform organisation.
Lonnie Ali: 'Muhammad was a person who did not jud...
Ten years after Muhammad Ali's death on June 3, 2016, his legacy still extends beyond the boxing ring. While most boxing fans remember Ali as "The Greatest" and one of the most recognizable athletes in sports history, those closest to him say his greatest legacy was compassion. His wife, Lonnie Ali, remains committed to the values that defined Muhammad Ali's life after boxing.
Is anyone here interested in contributing to this OS?
A clean-slate x86_64 microkernel operating system built from scratch. No POSIX baggage, no legacy Unix assumptions. The kernel stays minimal: scheduling, memory management, IPC ports, and hardware abstraction.
Ternary public-key cryptosystem
Announce Type: new Abstract: Public-key cryptosystems eliminate the requirement for pre-shared secret keys by enabling encryption with a publicly disclosed key and decryption with a corresponding private key. In this article we generalize the public-key cryptosystems to ternary algebraic structures, with particular attention to ElGamal as a representative family. We introduce the necessary algebraic background for nonderived ternary structures, including special elements, ternary group...
Best Sleep Trackers of 2026: Oura, Whoop, and Eight Sleep
One of the most notable shifts in sleep technology is the transition from passive tracking to active guidance. Increasingly, consumer sleep trackers are offering AI-driven coaching and personalized recommendations that help users translate data into healthier habits. When thoughtfully implemented, this evolution has meaningful potential to improve outcomes.
Vietnamese herb omelette with herbs and chilli
The first thing I ate in Vietnam, straight from the frying pan at a street stall. You could add more ingredients – minced ground pork, for example – but I like the pureness of this. Overview 5 mins 15 mins 1 Ingredients For the nuoc cham sauce (optional) - 3 red bird’s-eye chillies (fewer if you don’t want it too hot) - 8 tbsp caster or soft light-brown sugar - 6 tbsp lime juice - 10 tbsp fish sauce - 3 tbsp finely shredded carrots For the omelette - 2 large eggs - good pinch of caster sugar...
Odd Cycle Transversal in $P_k$-Free Graphs
arXiv:2606.07453v1 Announce Type: new Abstract: The Odd Cycle Transversal (OCT) problem, which asks for a minimum subset of vertices whose removal renders a graph bipartite, is a central problem in algorithmic graph theory. It is known to be NP-complete even on $P_k$-free graphs for $k \ge 6$. Furthermore, assuming the Unique Games Conjecture (UGC), OCT does not admit a constant-factor approximation algorithm on general graphs.
Zig: Build System Reworked
Devlog This page contains a curated list of recent changes to main branch Zig. Also available as an RSS feed. This page contains entries for the year 2026.