Preserving Hope
Ariel Zeleznikow-JohnstonTracking progress in turning fate into choice through brain preservation. Official newsletter of the Brain Preservation Foundation.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 19 | Founded | 2 years ago | Last Issue | a month ago |
| Active | |||||
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preservinghope.substack.comLatest Issues
Bad brains will bottleneck connectomics
Connectomics - the practice of mapping every connection in a brain - has improved three orders of magnitude in the last decade, faster than Moore’s law. Milestones keep being passed: the fruit fly brain has been fully reconstructed, a cubic...
“A victory for the natural order”
NB: This was originally posted a year ago, but it is unfortunately still timely
April 01, 2026
Boston
In what many are calling "a victory for the natural order," the final remaining vials of the controversial CHRONO-X anti-aging treatmen...
No, we haven’t uploaded a fly yet
In the last two weeks, social media was set abuzz by claims that scientists had succeeded in uploading a fruit fly. It started with a video released by the startup Eon Systems, a company that wants to create “Brain emulation so humans can f...
The Memory Decoding Challenge: Annual Awards 2025
If we could decode a specific memory from a preserved brain - not just generic reflexes, but something unique to that animal’s experiences - it would provide powerful evidence that the information defining who an individual is can survive a...
According to doctors, how feasible is preserving the dying for future revival?
Whenever I give a public talk - after I’ve finished explaining how neuroscientists can now selectively manipulate or erase a mouse’s memories, or how patients sometimes have their heart and brain activity entirely stopped during surgery by...
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Authors
The writers behind this newsletter.
Neuroscientist, author of 'The Future Loves You: How and Why We Should Abolish Death'
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