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A writeup that explains the mathematics of reinforcement learning, deriving algorithms such as Policy Gradient, PPO, and GRPO, and discusses their relevance in aligning large language models through techniques like RLHF and RLVR.
Moderna and Merck's Phase 3 trial of an mRNA cancer vaccine, personalized using AI algorithms, shows promising results for melanoma treatment, with Elon Musk praising mRNA's potential despite past controversies.
Elon Musk retweeted Keith Coleman's explanation of an algorithm using a simple analogy for a 5-year-old, comparing it to a smart robot selecting toys for a feed.