In this issue:
"The New Century of the Brain": New discoveries are lighting the way to an understanding of how the world’s most complex machine gives rise to our thoughts and emotions.
"Dwarf Galaxies and the Dark Web": Small galaxies orbiting the Milky Way may have arrived via dark matter superhighways stretching across the universe.
"Gene Therapy’s Second Act": After a decade and a half of tragic setbacks scientists now believe that gene therapy is ready to enter the clinic.
"The Oldest Rocks on Earth": A battle of science is raging over an outcropping of glacier-cut rocks.
©2014 Scientific American