In this issue:
"Mind of the Meditator": Neuroscience has demonstrated that meditation has tangible and significant benefits for both body and mind.
"Pluto and Beyond": Spacecraft will get an up-close look at comets, asteroids, and dwarf planets from the distant Kuiper belt.
"Virus Therapy for Cancer": How viruses could be used to treat cancer.
"Impossible Flight": Two young engineers proved that a human-powered helicopter could fly.