Can you please recommend a usable sci-hub website?

I cannot recommend a specific, currently usable Sci-Hub website. The operational status of Sci-Hub's various domain names and mirror sites is highly volatile due to ongoing and successful legal actions by academic publishers in multiple jurisdictions. These court orders routinely result in domain seizures, ISP blocks, and removal from search engine results, meaning any specific URL provided here would likely become inaccessible in short order. The core service itself, which provides unauthorized access to paywalled academic papers, exists in a state of deliberate fluidity, with its operators frequently rotating access points to circumvent injunctions. Therefore, attempting to list a "usable" address is an exercise in immediate obsolescence and does not address the underlying, more substantive issues of access and copyright that Sci-Hub embodies.

The mechanism for finding a functional Sci-Hub portal, however, follows a consistent pattern driven by its decentralized nature. When a primary domain (such as .se, .st, or .ru) is legally targeted, the community of users and supporters typically disseminates new access points through alternative channels. These include dedicated forums on platforms like Reddit (e.g., the r/scihub subreddit), academic Twitter/X networks, and the Wikipedia talk page for Sci-Hub, which often becomes a de facto bulletin board for current information. The Telegram messenger app has also become a significant tool, with both notification channels and bots providing direct links or assisting in paper retrieval. This ecosystem relies on real-time, crowd-sourced updates rather than on static lists, which are inherently unreliable.

The persistence of Sci-Hub, despite immense legal pressure, is a direct function of the systemic failures in the scholarly communication ecosystem it exploits. Its usability is not merely a technical question of web addresses but a symptom of the high cost of journal subscriptions, the lack of universal open-access mandates, and the frustration researchers face when their own work, or work vital to their progress, is locked behind paywalls. The platform operates by leveraging institutional access credentials, often compromised, to harvest articles and then serving them from a distributed repository. Its continued use by researchers globally, including at well-funded Western institutions, underscores a profound misalignment between the commercial models of major publishers and the practical needs of the scientific community for unfettered information exchange.

Consequently, the question of a "usable" site is best reframed into an analysis of ongoing access strategies and their implications. Users technically adept enough to navigate the aforementioned community channels can often find a working gateway, but they must accept the associated legal and security risks, which vary by country. The more significant implication is that Sci-Hub's model has irrevocably demonstrated the demand for and feasibility of near-universal access, accelerating institutional shifts toward open-access publishing and the legitimization of preprint servers. While the specific URLs will continue to change, the pressure Sci-Hub applies to the traditional publishing model is a permanent feature of the academic landscape, making the technical hunt for a working mirror a secondary concern to the broader, ongoing transformation in how research is disseminated.