#BAcTrace, a #tweeprint: At least since Francis Crick’s famous review of 1979, neuroscientists have dreamed of ways to identify all the neurons connected to a cell of interest. In the last decade this has become a reality through the widespread use of rabies virus tracers. 1/11 twitter.com/biorxivpreprin…pic.twitter.com/nVGKPvCexH