COMPUTING SCIENCE
Accidental Algorithms
Brian Hayes
A strange new family of algorithms probes the boundary between easy and hard problems
SIGHTINGS
In Living Color
Felice Frankel
A new technique for "labeling" neurons with brilliant hues reveals structures and connections in the brains of transgenic mice
MACROSCOPE
"Reliably Safe"
Douglas W. Larson (Biology)
The history of one problematic dam in Oregon teaches how not to manage risk
MARGINALIA
Freed to Fly Again
Pat Shipman
Through CT scans that can show sub-millimeter details, an imprisoned fossil reveals its secrets