Heath­line now offers a cool inter­ac­tive Human Brain in 3D you can play with, as part of their over­all Body Maps. Enjoy! Relat­ed articles: - Use It or Lose It: What is It? - Why We Need to Retool Use It or Lose It https://sharpbrains.com/blog/2006/09/12/use-it-or-lose-it-what-is-it/Use