TANDEM
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TANDEM: Bi-Level Data Mixture Optimization with Twin Networks
arXiv:2606.04401v1 Announce Type: new Abstract: The capabilities of large language models (LLMs) significantly depend on training data drawn from various domains. Optimizing domain-specific mixture ratios can be modeled as a bi-level optimization problem, which we simplify into a single-level penalized form and solve with twin networks: a proxy model trained on primary data and a dynamically updated reference model trained with additional data. Our proposed method, Twin Networks for bi-level...
Why Britain and America can’t stop firing their leaders
LONDON — Donald Trump and Keir Starmer will never be linked in the same fashion as political tandems Ronald Reagan and Margaret Thatcher or Bill Clinton and Tony Blair. But the two beleaguered leaders may be remembered for leaving the same legacy — demonstrating that their countries are both in desperate need of a cleansing. Starmer is facing a revolt in his own party — he may be ousted by a man who’s not even in Parliament yet — and were Trump to submit to a secret confidence vote from...
Peering into the Milky Way's far side, Roman could unveil 100,000 worlds
NASA's Nancy Grace Roman Space Telescope is poised to make a major leap in the hunt for worlds outside our solar system, known as exoplanets. Scientists expect the mission to reveal around 100,000 worlds—a staggering leap compared to the nearly 6,300 found so far thanks to NASA missions working in tandem with other observatories. And Roman will primarily find them in underexplored regions of the Milky Way.
The Language of Elution: Autoregressive Prediction of the Next Feature in Untargeted LC-HRMS Lipidomics
Announce Type: cross Abstract: Untargeted liquid chromatography-high-resolution mass spectrometry (LC-HRMS) detects thousands of molecular features per sample, yet only 2-20% receive confident structural annotations. A root cause of this "dark metabolome" is that tandem MS/MS acquisition is reactive: instruments select precursors only after ions appear, blind to what elutes next. We reframe chromatographic elution as an autoregressive sequence prediction task.
U.S. faces foreign crises with a hollowed out diplomatic corps
Kelly Adams-Smith dedicated her life to the U.S. Foreign Service, serving her country for almost three decades as a diplomat. “I came in with my husband. We were a tandem couple.
Learning to Attack and Defend: Adaptive Red Teaming of Language Models via GRPO
arXiv:2606.09701v1 Announce Type: new Abstract: AI red teaming must continually adapt to evolving attackers and defenders. Reinforcement learning offers a promising approach to discovering novel attacks, and co-training methods can produce more robust defenders in tandem. Recent works have demonstrated the efficacy of attacker-defender co-training by applying PPO and DPO, but report that GRPO is unstable in this setting.
As AI gets better, it reveals an empty promise
This week we've got tandem hands-ons with Google's new Gemini AI agent - Spark - from my colleagues David Pierce and Jay Peters. Their takeaways are similar: It's so effective that it's scary. Spark knew that David's dog is named Frida and knew the first name of Jay's wife, even though neither of them explicitly provided this information to Google.
Who’s calling the shots? Netanyahu and Trump at odds over their war
Who’s calling the shots? Netanyahu and Trump at odds over their war Despite starting the Iran war in tandem with Israel, the US president is pushing for a swift exit as pressure builds at home Israel’s latest strikes on Lebanon and Iran have made clear that US President Donald Trump and Israeli Prime Minister Benjamin Netanyahu, who started the war in lockstep, want different things. Trump had publicly warned Israel not to strike Beirut in its war with Iran-backed Hezbollah militants.
LG's UltraGear evo 5K gaming monitor is available to pre-order
LG's UltraGear evo 5K gaming monitor is available to pre-order LG is continuing to slowly roll out the products it announced at CES, this time with a new 5K gaming monitor. The LG UltraGear evo GM9 5K gaming monitor uses a 5K Mini LED panel and includes built-in AI upscaling so games and other content can run at a higher resolution without you having to shell out for a new GPU. Unlike the UltraGear GX7, which uses LG's Tandem OLED tech, the UltraGear evo GM9 is all about Mini LEDs,...
Mina the Hollower, a Sims alternative and other new indie games worth checking out
Mina the Hollower, a Sims alternative and other new indie games worth checking out Plus, a whole bunch of games that'll give your brain a workout. Welcome to our latest roundup of what's going on in the indie game space. We're here to tell you about a bunch of new games you can dive into this weekend.