The irony of the sentence "And speed matters – wider axons, like wider roads, help messages move faster." used in this article when multiple studies confirm that wider roads don't help vehicles move faster, and in fact traffic circles, much like the pearls they're describing (IMO) do, should not be lost.

https://www.earth.com/news/study-debunks-understanding-of-what-brain-cells-axons-look-like-pearl-structure/

#Science
#Brains

Study debunks 100-year-old understanding of what brain cells look like, forcing rewrite of biology textbooks

Scientists discovered that axons don’t quite look like straight cables. Instead, axons often appear like pearls on a string.

Earth.com