Serial: Hominids (Part I of IV) by Robert J Sawyer. Novelettes: Perceptual Set by James Van Pelt, A Deeper Rest by Melissa Lee Shaw. Short Stories: Choosing Life by Brenda Cooper and Larry Niven, Birch Glow by Rosemary Claire Smith. Science Fact: Beyond the Periodic Table: Artificial Atoms and Programmable Matter by Wil McCarthy.