knowingneurons.com

W7gmd TIL that our brain generates more electrical impulses in one day than all the telephones in the world
kyre TIL that we turn our heads when trying to find the source of a sound because the brains can identify the time difference (milliseconds) that it takes the sound to reach one ear to the other, helping assist with sound localization.
rVJd TIL that dreaming may have evolved simply to jostle fluid in the eyes during sleep. This gives the lens of the eye oxygen so that it doesn’t die.