How researchers reversed polarization on X with a simple change to the algorithm
A new study offers evidence for what we’ve long suspected: rage bait is distorting our politics. PLUS: The David Sacks discourse, and Claude Opus 4.5 debuts
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The scientific case for being nice to your chatbot
New research confirms that LLMs often perform better when you encourage them. But why?
Sam Altman’s second thoughts
OpenAI’s CEO is asking the public to lower the temperature on AI. But who turned it up in the first place?
Meta has a new model
Nine months after an expensive overhaul, the company says it's back in the AI race — but the race keeps getting faster
Why Anthropic’s new model has cybersecurity experts rattled
The company says it has built its most dangerous model yet. Can its coalition of internet companies fix the internet before others catch up?