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I asked this question of AI: What are the 5 most important scientific unanswered questions? Equate importance with impact to everyday life. Restrict your answer to questions that we should know the answer to but do not. #AIQuestion #AIAnswer #sciencemysteries 1/7

Response: What is the mechanism anesthesia causes reversible unconsciousness? How are cells restored during sleep? What is the point when cells become senescence or age? What are the mechanisms of cloud formation? What are the mechanisms that determinewear rates between solid interfaces? 2/7

AI trained on physiological data, like high-density polysomnography, can contrast sleep physiological variations with systemic health. It can't image molecular waste-clearing processes in real time, but it can parse complex biometric data to map physiological thresholds where restoration fail. 4/7

Computational biology utilizes ML to parse cell transcriptomics, proteomics, & epigenetic data. AI algorithms can analyze simultaneous breakdown of genetic regulatory networks across aging tissues, identifying the exact biochemical tipping point where a cell shifts to irreversible senescence. 5/7

Physics-informed ML is transforming weather science. Instead of relying on coarse empirical equations to guess how aerosols & tiny ice crystals behave, ML trained on ultra-high-resolution thermodynamics data can parameterize small-scale cloud physics for macro-scale weather & climate models. 6/7