What Is This? A Papier-Maché Piñata?

There's no candy hidden in these, but they do hold other secrets.

By Andrew Grant|Wednesday, November 05, 2008
RELATED TAGS: BIOTECHNOLOGY
hippocampus
hippocampus
Jean Livit/Joshua Sanes/Jeff W. Lichtman/Harvard University

These neurons from the hippocampus of a mouse were genetically altered with fluorescent proteins from jellyfish to create about 90 shades of color. The Harvard researchers who invented this technique call it "Brainbow"; the vivid hues help researchers observe the complex interactions between brain cells.

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