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The BANC: Drosophila Brain and Nerve Cord
FlyWire and collaborators at Harvard Medical School have released a wiring diagram that encompasses the entire central nervous system of an adult fruit fly. The BANC is a synapse-resolution map of an adult fruit fly brain and ventral nerve cord. The team has made the entire dataset freely available online at flywire.ai. The BANC is…
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Codex Query Master Workshop
We’ve expanded the Codex feature suite to include new attributes, search operators and analysis tools. On Oct 28, 2025, FlyWire held a Codex Workshop to highlight new features. Thanks to the 60+ people who attended on Zoom. A recording of the event can be found on FlyWire YouTube: Content in the workshop centered about submitted…
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Optic Lobe Tag Rally
The FlyWire connectome contains over 127,000 proofread cells, ~73,000 of which are in the optic lobes (OL). While ~50,000 cells in the brain have labels, as of this post (May 2023), only 27% of neurons in the optic lobes are labeled (~20K cells). We hereby request the help of all FlyWire community members to complete…
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FlyWire Winter ’23 Update
It’s officially the start of the fall and winter holidays here in the northern hemisphere. Time to break out the hot drinks and relax by the warmth of the computer while you do a little connectome exploration. It’s been a while since we updated the blog (and we’ll try to do this more frequently).ere is……
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Visual Columns Mapping Challenge
If you are good at programming / data analysis / algorithms and like challenges read on! FlyWire is issuing its first Data Challenge. Data Challenge: A wiring diagram of a brain is modeled as a directed graph with weighted edges, where nodes represent neurons and edges represent synaptic connections (weight = # synapses). In this…
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BANC Guide for Citizen Scientists
Hello, intrepid explorers of the microscopic universe! FlyWire’s recent 4 year adventure into connectomics mapped the entire brain of a fruit fly (Drosophila melanogaster) at synapse resolution. We’re thrilled to announce the next endeavor: The BANC (Brain and Nerve Cord), a dataset generated by Jasper Phelps and Minsu Kim for Wei-Chung Lee’s Lab at Harvard…
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Finding Paths in Codex
With this tool you can specify one or more source cells + one or more target cells, set a minimum synapse threshold per connection, and get a matrix with shortest path lengths for all source/target pairs. From there, you can inspect / visualize the pathways between any pair of cells in detail. Codex has a…