Despite decades of scientific study, the human brain remains one of the most fascinating and mysterious phenomena in the natural world. In fact, the more we learn about the brain, the less we seem to know, and there are many researchers who think that we will never fully understand everything about our brains. In the meantime, here are eight of the strangest and most intriguing facts science has uncovered to date.
1. The Average Brain Contains 100,000 Miles’ Worth of Axons
Axons are neurons that our brains use to conduct electrical impulses from one place to another. In you took all the axons out of a human brain and arranged them end-to-end, the resultant string would be long enough to encircle the Earth more than four times. Now that’s mind-blowing!