Scientists mapped a piece of brain the size of half a grain of rice.

One-millionth the size of the human brain.

It took them a year and over 1.4 million gigabytes to scan it.

They found over 57,000 cells, 150 million synapses, and even some new structures they didn't know… pic.twitter.com/v0tF2279ve

— Divinely Designed (@DivinelyDesined) May 21, 2026