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2026-05-28 10:52:29 UTC
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Raghav Agrawal on Nostr: How does a doorbell on the outside reach machinery on the inside? A courier molecule: ...

How does a doorbell on the outside reach machinery on the inside? A courier molecule: cAMP.

The GO bell speeds up its maker; more couriers = louder "release."

But insulin runs a shredder (PDE-3B) that destroys couriers.

So eating doesn't just go quiet, it actively erases the signal. Two off-switches, one go-switch