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Kernel Affine Hull Machines as Compute-Efficient Encoders for Frozen Semantic Spaces
Announce Type: replace Abstract: Transformer-based semantic encoders are effective for retrieval, but in many deployments the recurring bottleneck is online query encoding rather than offline corpus indexing. This paper studies whether, once a strong teacher representation space and corpus index are fixed, repeated neural query encoding can be replaced by a substantially lighter and analytically explicit estimator. We formulate fixed-teacher lexical-to-semantic encoding as a conditional-mean...
Whole-genome duplication shaped cell-type evolution in the vertebrate brain
Abstract The complex brains of vertebrates have more cell types than those of their closest relatives. Whole-genome duplications (WGDs) occurred during early vertebrate evolution1, but it is unclear whether the duplicated genes (ohnologues) facilitated cell-type evolution. Here using brain single-cell transcriptomes from five chordates—human2, mouse3, lizard4, lamprey5 and amphioxus—we report that many cell-type families with conserved core transcription factors in vertebrates do not show...
Show HN: Lowfat – pluggable CLI filter that saved 91.8% of my LLM tokens
Hi HN,Not sure if anyone would be interested. But, just wanted to share that I've been maintaining my small tool called 'lowfat' that helps me filters some of my verbose CLI output. It's a single binary, works as an agent hook or a shell wrapper.
The 'plumping' £14 PDRN-infused face mist loved by Molly-Mae and Kendall Jenner
The 'plumping' £14 PDRN-infused face mist loved by Molly-Mae and Kendall Jenner Loved by Molly-Mae and Kendall Jenner, this £14 K-Beauty face mist promises plumper, glowier skin in just minutes When it comes to achieving that dewy, glass-skin glow, we're always on the lookout for new products that deliver that result. And one skincare buy with plenty of social media buzz is a £14 mist from the Korean beauty brand, Anua. This mist has received plenty of attention thanks to its hydrating,...
Democracy on Rugged Landscapes: Phase Transitions in Optimal Voting Rules
arXiv:2606.02813v1 Announce Type: cross Abstract: Laws and institutions shape individual outcomes through complex interactions with citizens' diverse circumstances, yet how different voting methods navigate this coupled landscape remains poorly understood. We model collective governance as optimization on NK fitness landscapes, where shared bits (laws) are updated by voting while individual bits (personal traits) remain fixed. A cross-dependency parameter $\alpha$ controls how legislation's...
Democracy on Rugged Landscapes: Phase Transitions in Optimal Voting Rules
arXiv:2606.02813v1 Announce Type: new Abstract: Laws and institutions shape individual outcomes through complex interactions with citizens' diverse circumstances, yet how different voting methods navigate this coupled landscape remains poorly understood. We model collective governance as optimization on NK fitness landscapes, where shared bits (laws) are updated by voting while individual bits (personal traits) remain fixed. A cross-dependency parameter $\alpha$ controls how legislation's...
Selection-Aware Diagnostics for Chain-of-Thought Answer Hijacking
arXiv:2606.04717v1 Announce Type: new Abstract: We study a controlled numeric proxy for chain-of-thought (CoT) answer hijacking, motivated by attacks in which benign-looking reasoning steers a harmful final answer. CoT wrappers on GSM8K and MATH-500 flip final answers away from gold labels. Rather than treating activation patching as clean-trace restoration, we ask where hijacked trajectories are fragile and whether recovery depends on a same-problem clean source.
Former Giant Will Clark slams team for doing hip thrusts in the outfield with a losing record
I can't remember the last time a celebration took over social media the way the San Francisco Giants' outfield hip-thrusting sessions have.And I definitely can't remember a time that those celebrations were being busted out by a team that is well under .500.According to former Giant and six-time All-Star Will Clark, it's a bad look, and he made it very clear that he's not a fan of the thrusting.ZERO BS. TAKE THE DON'T @ ME PODCAST ON THE ROAD. DOWNLOAD NOW!"The dance where they’re doing the...
Lignin to adipic acid in a high-yield chemical and biological redox process
Abstract Viable manufacturing pathways to produce bio-based chemicals from renewable feedstocks, such as lignin derived from plant biomass, are needed to decarbonize the chemicals manufacturing sector. Converting the recalcitrant lignin polymer to valuable bioproducts remains a longstanding challenge in biorefining, with the highest reported single-product yield from lignin currently around 20 wt% (refs. Most existing lignin depolymerization strategies target aryl–ether bond cleavage, which...
Auburn University student disappears in Japan as parents join search: ‘In our own living hell’
An American college student from Alabama disappeared in Japan during a family trip, leaving his parents pleading for help as they join dozens of police and K-9 units searching the region's wooded trails. James "Weston" Higginbotham, a 20-year-old Auburn University student, has not been heard from since May 29, according to his mother, Nancy Higginbotham. "We are in our own living hell," Nancy Higginbotham wrote on social media.