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DNA fragments jumping between cells & AI co-scientists speed drug discovery - News (May 21, 2026)

DNA fragments jumping between cells & AI co-scientists speed drug discovery - News (May 21, 2026)

Published 5 hours ago
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Today's topics:

DNA fragments jumping between cells - UT Southwestern researchers report large genomic DNA fragments can transfer between human cells via transient nanotubes, integrate, and remain active—raising new questions for tissue evolution and cancer after chemo or radiation.

AI co-scientists speed drug discovery - Two Nature papers describe multi-agent “AI co-scientist” systems—DeepMind’s Co-Scientist and FutureHouse’s Robin—generating hypotheses and experiment plans, with early drug-repurposing leads for AML and dry AMD.

AI that writes scientific code - Google’s ERA system combines a large language model with rapid trial-and-error search to generate and refine research software for measurable tasks, potentially cutting weeks of coding down to hours.

New CAR-T strategy for glioblastoma - UCLA’s cytokine-armored CAR-T approach targeting IL-13Rα2, with IL-12 and a modified IL-18, improved glioblastoma control in immunocompetent mice while testing designs aimed at reducing inflammation risk.

Watermarking expands across AI media - Google says SynthID has labeled massive volumes of AI-generated media and is expanding to partners like Nvidia and OpenAI, while also pushing C2PA provenance metadata to improve content labeling across platforms.

AI claims new Erdős-era proof - OpenAI says a reasoning model produced an original proof that disproves a discrete geometry conjecture linked to Paul Erdős, with outside mathematicians offering supportive commentary as the community evaluates the result.

Singapore bets big on AI labs - Singapore signed new AI agreements with OpenAI and Google, including an OpenAI Applied AI Lab and expanded workforce training, reinforcing Singapore’s strategy to be a global hub for AI deployment and safety.

Trump, Taiwan call and arms sale - President Trump said he may speak with Taiwan’s president Lai Ching-te about a potential arms sale, a break from long-standing diplomatic practice that China strongly opposes amid heightened cross-strait tensions.

US scales back NATO crisis support - The US is expected to reduce what it makes available to NATO in a crisis or wartime scenario, a shift that could pressure European allies to cover more logistics and rapid-reinforcement needs.

LLMs pass persona-driven Turing test - UC San Diego researchers found modern LLMs can be judged ‘human’ in a three-party Turing test when given a persona, highlighting rising risks of deception, fraud, and social engineering online.





Episode Transcript

DNA fragments jumping between cells
Let’s start with that unexpected genetics story. Researchers at UT Southwestern report evidence that large fragments of genomic DNA can move directly from one human cell to another. In their observations, DNA-con
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