Textbooks may have misdrawn this basic brain structure for 100 years Scientists discovered that brain-cell axons may not be smooth tubes as textbooks have shown for more than a century, but instead naturally resemble strings of tiny pearls. Those pearl-like structures ... Read more: https://worldnewsguru.us/science-news/textbooks-may-have-misdrawn-this-basic-brain-structure-for-100-years Originally published on World News Guru