Brain preservation as existential risk reduction

Even if you never use it, access to high-quality brain preservation may still save your life

Aug 27 • Ariel Zeleznikow-Johnston

16

12

3

Join us at Sparks' Brain Preservation Summit 2026

September 19–20, 2026 · Salem, Oregon

Aug 13 • Ariel Zeleznikow-Johnston

8

2

1

July 2026

Why is assisted dying so rare, even where it’s legal?

And in the long run, how common will it become?

Jul 31 • Ariel Zeleznikow-Johnston

11

2

1

A hundred grand for one more year

Many routine medical procedures are more expensive than preservation

Jul 6 • Ariel Zeleznikow-Johnston

14

9

April 2026

Bad brains will bottleneck connectomics

Mapping the human brain requires properly preserving one first

Apr 29 • Ariel Zeleznikow-Johnston

14

1

“A victory for the natural order”

Anti-aging therapy destroyed

Apr 1 • Ariel Zeleznikow-Johnston

8

1

March 2026

No, we haven’t uploaded a fly yet

What it would mean to actually upload an animal

Mar 19 • Ariel Zeleznikow-Johnston

40

11

6

January 2026

The Memory Decoding Challenge: Annual Awards 2025

Progress towards "decoding a non-trivial memory from a static connectome"

Jan 21 • Ariel Zeleznikow-Johnston and Kenneth Hayworth

7

1

1

December 2025

According to doctors, how feasible is preserving the dying for future revival?

A new survey of 334 US doctors gives it a 25% chance under ideal conditions

Dec 16, 2025 • Ariel Zeleznikow-Johnston

16

1

November 2025

Do you really need a brain at all?

Mike Darwin responds to 'Is terminal lucidity real?'

Nov 3, 2025 • Mike Darwin

8

20

October 2025

Is terminal lucidity real?

Or are we just desperate to say one last goodbye?

Oct 23, 2025 • Ariel Zeleznikow-Johnston

45

26

September 2025

“I'd accepted losing my husband, until others started getting theirs back”

"We're not just grieving the dead. We're grieving our own failure of imagination. And that's a grief our psychological frameworks aren't equipped to…

Sep 3, 2025 • Ariel Zeleznikow-Johnston

19

8

2