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The immortal jellyfish, Turritopsis dohrnii, can reverse its own life cycle when injured or starving, melting its adult body back into an immature polyp and starting over, a biological rewind that in theory lets a single individual escape death indefinitely

Turritopsis dohrnii, a Mediterranean jellyfish no larger than a fingernail, can reverse its own life cycle when injured or starving — dissolving its adult body back into an immature polyp and starting over, a biological rewind that in theory has no limit.

By Silicon Canals Editorial Team · Jun 11, 2026

Technology

Innovation ecosystems and the people building them. European startup news, global ecosystem coverage, and the engineering inside the companies shaping the technology economy.

  1. Oxford Quantum Circuits just raised Europe's largest-ever quantum round at £260M — and the customer list reveals who is really underwriting the entire sector
  2. The first U.S. insider trading case tied to a prediction market isn't really about a Google engineer's $1.2M — it's about what blockchain pseudonymity actually does when prosecutors come knocking
  3. The world’s most advanced chips, from iPhones to AI supercomputers, depend on machines so complex that only one company has ever mastered them: ASML, in the Dutch town of Veldhoven. Without its EUV lithography systems, the leading edge of computing would grind to a halt.
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Politics

The political and policy forces shaping technology. Capital, regulation, geopolitics, surveillance, antitrust, and the politics of innovation.

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Mind

The human behaviour behind the work. Decision-making, attention, identity, performance, and the everyday observations that explain how people live and work.

  1. People who spend their Sunday rebuilding their task system instead of doing the tasks aren't procrastinating, many are trying to feel in control of a week they secretly believe will overwhelm them
  2. The person who maintains a Notion second brain, a Todoist GTD setup, and a calendar blocked to the quarter hour isn't more productive, many are trying to externalize a mind that learned, somewhere along the way, that forgetting anything was a kind of failure
  3. The people who seem unbothered by criticism aren’t the ones who stopped caring what others think—they’re the ones who moved the evaluation internally
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Technology

Canal Letter

Xcimer just turned on the largest privately owned laser in the world — and the real story isn't the kilojoules, it's who gets to own the supply curve for fusion energy

Fusion startup Xcimer Energy has activated Phoenix, a krypton-fluoride excimer laser system the company describes as the largest privately owned laser in the world.
  1. Nobody talks about why supply-chain attackers started hiding command servers inside Google Calendar events and Solana memo fields — and the Glassworm takedown finally explains it
  2. A Google engineer allegedly turned the company's confidential search data into $1.2M on Polymarket — and the case quietly exposes the attack surface every prediction market is pretending not to see
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Mind

Field Notes

When Microsoft's Japan branch gave all 2,300 staff five Fridays off in a row on full pay in the summer of 2019 — while capping meetings at 30 minutes — it recorded a 40 per cent jump in productivity per employee, alongside sharp falls in electricity used and paper printed.

In August 2019, Microsoft Japan closed its offices every Friday, gave its 2,300 staff a three-day weekend on full pay, and capped meetings at 30 minutes.
  1. Some people aren’t quiet in meetings because they have nothing to say—they’re running an internal cost analysis on whether their contribution will be remembered as insight or remembered as the moment they overstepped
  2. A hundred years ago, a man built the "Isolator" helmet because he couldn't focus. Imagine what he'd build today.
  3. The most underrated piece of self-development advice is to stop trying to be understood by everyone — and the people who learn it early get back hours of their week they had been spending in conversations that were never going to produce the understanding they were performing for
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