scientific american - 1999 05 - tsunami
scientific american - 1996 05 - the comets' lair
scientific american - 1997 05 - the 100 - year weather forecast
scientific american - 1998 05 - six months in space
scientific american - 1999 01 - revolution in cosmology
scientific american - 1999 02 - a fractual walk down wall street
scientific american - 1999 03 - when venus erupted
scientific american - 1999 04 - endless space (maybe not)