In this issue:
"Our Unconscious Mind": Unconscious impulses and desires impel what we think and do in ways Freud never dreamed of.
"The Search for Life on Faraway Moons": Moons orbiting distant exoplanets may account for most of the habitable locales in the galaxy.
"Simulating a Living Cell": Biologists are forging a powerful new kind of tool for illuminating how life works.
"The Ultimate X-ray Machine": A defunct cold war scheme for shooting down missiles is now creating exotic forms of matter.
©2014 Scientific American