5428885_001.jpg Apr 2026

While we often think of our brains as solid masses, this image highlights the "electric forest" happening inside us every second.

: There are roughly 86 billion neurons in the human brain [4]. If you lined them all up, they would stretch for about 600 miles [5]. 5428885_001.jpg

: Despite weighing only about 2% of your body mass, the neural activity depicted here consumes 20% of your body's total energy [7]. While we often think of our brains as