Until Scales Cryoprotectant Candidates from Dozens to 250K with Its Discovery Engine

garrytan · x · 2026-09-03

Max Hodak (ex-Neuralink president) and YC's Garry Tan boosted cryopreservation startup Until's latest update. Until is tackling one of cryobiology's biggest challenges: finding biocompatible cryoprotectants. Its in-house cryoprotectant discovery engine scaled the search from a few dozen candidate molecules to over 250,000, already producing hits.

Hodak argues humanity is nearing a significant nonlinearity in lifespan and thriving, but timing is unknowable — and many patients today will miss it. Bridging even a few years could be the difference between nothing and getting to participate in a future beyond wildest sci-fi dreams.

Related event: Until Labs Scales Cryoprotectant Candidates to 250,000 with AI(2 posts)→

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