Genetically Engineered Neurons Light Up

In a scientific first that could help us better understand how signals travel in the brain, a researcher of natural sciences at Harvard has created neurones (brain cells) that light up as they fire.

Despite the fact that almost every science animation ever created has shown neurons to light up, in reality there is no obvious visual cue to indicate their electrical activity. The genetically altered neurons use a gene from a Dead Sea microorganism that produces a protein that fluoresces when exposed to the electrical signal in a neuron, allowing researchers to visually trace how signals are transmitted through cells. Learn more here.

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