While we often think of our brains as solid masses, this image highlights the "electric forest" happening inside us every second.
: Despite weighing only about 2% of your body mass, the neural activity depicted here consumes 20% of your body's total energy [7]. 5428885_001.jpg
: The glowing connections you see in the image—called synapses —allow signals to travel at speeds up to 270 miles per hour [3]. While we often think of our brains as