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Hippocampal neurons rewind time to predict rewards before they happen

In October 2023, Neuroscience News reported research showing that the hippocampus does much more than store memories. Drawing ...

OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch

OpenAI's new GPT-5.3-Codex-Spark promises ultra-fast, conversational AI coding, if you can tolerate a few trade-offs.