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Second Brain
Telegram · 08:30
Morning cards | Nature
Pando is the heaviest organism on Earth: a colony of clonal aspens sharing one root system — about 43 hectares in Utah.
The problem isn't that you read too little
It's that what you saved never comes looking for you.
~90%
of what you learn is gone within a week — unless something brings it back
Ebbinghaus, 1885 · replicated 2015
shut down in 2025. People saved articles there for a decade and never read them
Mozilla, 2025
0
reminders from Notion, Obsidian or Saved Messages. They store, and that is all
Every day
you have to decide to sit down and study. That decision is what fails — not your memory.
Sources: Ebbinghaus (1885) · Murre & Dros, PLoS ONE (2015) · Mozilla, Pocket shutdown (2025)
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Evening biology | Evolution
Tiktaalik — the first fish that walked on land: fins with real limb bones, 375 million years ago.
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Morning finance | Investing
Market cap = price of one share × shares in circulation — what the market thinks the whole company is worth.
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Morning smile · Jokes
09:15What would you change about yourself, besides the obvious?
Three steps, then it runs without you
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- noSmall batches you actually finish
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Whatever you save, it costs minutes a day
Move the slider. Nothing here is a promise — it is arithmetic you can check on a napkin.
I save60cards a week
WHAT YOU BUILD
3,120
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WHAT IT COSTS
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Mitochondria are the organelles that produce most of the cell's energy.
They have their own DNA, separate from the DNA in the nucleus.
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How could only six people have died?
The official list counted identified citizens only. The poor, visitors and people without a parish never made it in, and the heat at the heart of the fire could leave no remains at all — historians think the real number was many times higher.
Sources (2)
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