Development

A rabbit brain is preserved intact without chemical fixation

development2026-02-07

Claim

21st Century Medicine demonstrated perfect ultrastructural preservation of a rabbit brain by vitrification without aldehyde fixation, establishing the feasibility of human cryopreservation.

Reporting date: 2026-02-07 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to February 7, 2026 (theinnermostloop.substack.com)

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Reported in

Welcome to February 7, 2026

Actor

21st Century Medicine

Evidence for

Supersedes

Lifespan heritability is found above 50%

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A rabbit brain is preserved intact without chemical fixation
Innermost Loop KB — secondary record
Reporting date: 2026-02-07
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-02-07-rabbit-brain-vitrification
Claim: 21st Century Medicine demonstrated perfect ultrastructural preservation of a rabbit brain by vitrification without aldehyde fixation, establishing the feasibility of human cryopreservation.
Attributed sources:
- Welcome to February 7, 2026 — https://theinnermostloop.substack.com/p/welcome-to-february-7-2026
This citation does not imply independent verification of linked-source claims.

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