Brainbow-a Hubble telescope for the brain?

Adding Color Untangles the Brain’s Gray Secrets - New York Times

From Stuart Silverstone's link to the New York Times article, a color picture of the brains "tangles"

"I take a view that this is like the Hubble telescope," said Dr. Jeff
Lichtman, a professor of molecular and cellular biology at Harvard who is
the paper's senior author. "We¹ve never been able to look at the brain this
way before. Why not just start looking and see what we observe?"