brainfacts.org

Zpexv TIL that, in a resting state, the brain consumes about 20% of the body's energy. The sight and hearing parts of the brain consume far more energy than parts used for smell and memory. Also, white matter only uses 20-25% of energy as gray matter.
9Y15M TIL that brain freeze is a not-very serious condition that is simply your body’s reaction to eating too-cold foods. Its scientific name is "phenopalatine ganglioneuralgia"
p8E48 TIL the brain cannot feel pain because it doesn't have pain receptors called nociceptors. Headaches come from nociceptors in the protective tissue between the brain and the skull.