BARseq2 Brain Cells (IMAGE) Cold Spring Harbor Laboratory Caption In this field of brain cells, each color is a unique neuron stained for a particular snippet of RNA--or 'barcode.' This technique, called BARseq2, allows scientists to study thousands of cells at a time with their natural connections intact. Credit Chen and Sun/Zador lab, CSHL/2021 Usage Restrictions Attribution required License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.