From a tender wrapper of human life, the placenta, comes the extraction of a protein that points to a solution for something that, until now, science had no clear path to—and never one so celebrated: restoring the spinal cord in people who suffered injuries and lost body movement.Brazilian researcher Tatiana Coelho de Sampaio, PhD professor at the Federal University of Rio de Janeiro, has quietly worked with a team of biologists for the past 25 years on the repairing and multiplying power of the...