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Card 100 of 9832026-09-12 issue

Observed arrival · 2026-09-12

ButterflyBrain, the shared insect memory

butterflybrain.xyz Observed source
Editorial interest 80/100 Selection signal · not a rating of the site

An interactive simulation lets visitors feed or poke a shared larval learning circuit, leaving approach-or-avoidance traces for whoever visits next.

Landing page captured for the 2026-09-12 issue.

Field notes

ButterflyBrain models a larval mushroom-body subset with 32 neurons, 289 fixed connections, and 30 leaky-integrate-and-fire steps of 10 milliseconds each. Its teaching controls pair sensory activity with appetitive or aversive signals, then expose approach or avoidance outputs through a shared-memory panel. The page distinguishes the illustrated butterfly from microscopy data and identifies the circuit as a Drosophila connectome subset. At observation time, the organism server and fresh environment signal were unavailable, so no interaction history was present.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use
ƒJavaScriptBrowser-side code central

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butterflybrain.xyz

Landing page observed 2026-09-12. The live site may have changed.