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4Sciences helps users find science-focused information, products, and tools. Built by search architects and domain specialists, the platform combines multiple indexes, specialized ranking algorithms, and AI systems to return relevant, credible science content. Use the site to search literature, news, vendors, data, and practical resources. Part of the 4SEARCH network of topic specific search engines.
Latest Articles
Why research personas despite RL scaling? — LessWrong
7+ min ago (547+ words) Here's my rough impression of why people are researching personas despite RL seeming to shape much of the motivations and behaviour of the agents, c.f. Thoughts on the persona selection model (Sam Marks, 24th Sep 2026).I haven't bothered to check this with…...
Magnitude 3.4 earthquake hits 41 km northwest of Amaliada, Greece, late at night
12+ min ago (0+ words) ...
A decade ago, Russian airline group S7 bet on a floating spaceport to break into the commercial launch market. Yet Sea Launch hasn’t launched a rocket in more than 12 years. — Meduza
12+ min ago (654+ words) One project captures much of what went right and wrong in Russian spaceflight after the Soviet Union collapsed. Engineers from Russia and Ukraine built it from the remnants of the Soviet space program, with help from the United States and…...
The Labs Are Building Their Own Safety Body. Three Days After the Second Training Halt, That Is the Story.
38+ min ago (249+ words) Google, OpenAI, and Anthropic are formalizing a FINRA-inspired standards body for frontier AI. Meta, xAI, and Nvidia are publicly opposed. The antitrust lawsuit argues self-regulation is a cartel. The question is not whether the body will launch – it is who…...
Earthquakes strike in Northern California
3+ hour, 20+ min ago (133+ words) Two earthquakes, with magnitudes of 3.3 and 2.6, struck Northern California on Sunday morning, according to the United States Geological Survey. The first earthquake, with a magnitude of 3.3, hit at 7:21 a.m. and was centered about 20 miles east of Alum Rock, the USGS said....
Sea level rise is reshaping a California beach town and threatening a key rail line
10+ hour, 31+ min ago (539+ words) That trip has been cut short. It's one of many California coastal communities grappling with the effects of sea level rise. Nearly a decade ago, scientists forecast that more than half of Southern California's beaches could significantly erode by 2100, radically…...
AI could be used to kill 1 billion people, Bill Gates warns — as he calls for restrictions
48+ min ago (461+ words) Tech billionaire Bill Gates warned that artificial intelligence had the potential to kill a billion people in the wrong hands — as he joined the call to put safety restrictions on the technology. The Microsoft co-founder called for greater government oversight…...
Climate shifts sparked rare bursts of bird evolution
30+ min ago (1295+ words) AI analysis of 2,057 bird species links rare bursts of body-shape evolution with periods of major climate instability. (CREDIT: Shutterstock) Ancient climate swings may have helped shape the birds you hear outside your window today. A new University of Michigan study…...
Muse Code's Multi-Agent Architecture: What Actually Changes When Child Agents Get Their Own Worktrees
26+ min ago (207+ words) Most coding agents you've used are single-threaded in a specific sense: one agent, one working copy of the repo, one task at a time. Muse Code, Meta's CLI coding agent (launched August 2026, running on Muse Spark 1.2), is built differently, and…...
Stop juggling 5 terminal tabs to run your dev stack
27+ min ago (205+ words) You know the ritual. Tab one: npm run dev. Tab two: uvicorn app:app --reload. Tab three: the... Tagged with terminal, productivity, showdev....