Tales of a Travelin' Cell (.pdf)
by Douglas L. Smith
The cells of the neural crest lead a life that might make Huck Finn envious. They wander through the embryo before growing up, and in the process help make us vertebrates.

 

Planetary Phrenology: The Lumps and Bumps of the Earth (.pdf)
by Michael Kobrick
Around and around the world in a lot less than 80 days -- the Shuttle Radar Topography Mission is mapping Earth with unprecedented accuracy.

 

Obituaries: Lyman G. Bonner; Norman R. Davidson; John R. Pierce