Commenters discussed oxygen-deprived brine pools and layered seas as surprising habitats and possible windows into early life. lproven pointed to subterranean and under-ice lakes like Lake Vostok and the Black Sea’s anoxic lower layer as examples where life persists despite low oxygen. areoform quoted CTD and lab data from NEOM brine pools showing salinity jumping from ~40 to ~160 PSU within centimeters and dissolved oxygen falling to <10 μmol L−1, while temperature rises only modestly, and several participants (aboutplants, nephihaha) emphasized that microbial life is routinely found in extreme niches.
The conversation split over how those sharp interfaces persist. HPsquared and HPsquared (again) proposed geothermal heating, heat-transfer differences, or continual oozing of brine as maintenance mechanisms; yrjrjjrjtjjr suggested molecular turnover with conditions held steady. Others argued physical separation and scale slow mixing: andrewflnr and Lumich compared it to density-driven pyroclastic flows and air-mass behavior, atrus cited stratification in water heaters, zeumo mentioned layered cocktails, and Shitty-kitty pointed to simple density-driven sinking. Opinion divides between proponents of active replenishment/thermal processes and those who attribute longevity to density, scale, and inhibited convection slowing diffusion.
Summary generated by AI from the linked article. hn.today is not affiliated with Hacker News or Y Combinator.
Scientists have made progress in understanding the biology of an 'undruggable' cancer gene. This research could lead to new targeted therapies for difficult-to-treat cancers. (nytimes.com)
Colorectal cancer is increasingly affecting children and teens, often presenting as aggressive and advanced tumors with no family history. The rise in early-onset cases highlights the need for increased suspicion and early diagnosis among young patients. (gizmodo.com)
Switzerland has lost nearly 20% of its glaciers in the past five years due to extreme heatwaves and reduced snowfall. The glacier retreat is linked to fossil fuel pollution and climate change, significantly reshaping the Alpine landscape. (theguardian.com)
Claude has been used to develop BootLoops, a toolkit for exact calculations in various scientific fields, revealing connections across disciplines. This approach helps bridge the gap between AI capabilities and scientific research needs, making models more useful for scientists. (anthropic.com)
![The Legend of von Neumann [pdf]](https://hntoday.pixelshot.io/screenshots/20261002/1f16d023ca4647b2_tn.jpeg)
John von Neumann was a pioneering mathematician and physicist known for his foundational contributions to computer science, quantum mechanics, and game theory. His work laid the groundwork for modern computing and mathematical modeling. (gwern.net)
Harvard particle physicist Matthew Schwartz has authored 36 papers with Claude. The linked content is inaccessible due to a network security block. (reddit.com)
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